| [mesophilic rod-like nonsporeforming bacterium reducing sulfates]. | a pure culture of a new organism, strain x, reducing sulphates is described. according to its morphological, physiological and biochemical properties, the organism is classed as a new species. desulfovibrio baculatus nov. sp. the cells have the shape of short rods, 1.3x0.6 mcm, with a polar flagellum 0.021 mcm thick. it is an obligate anaerobic culture growing on media only in the presence of sulphates at the account of sodium salts of lactic, pyruvic and malic acids and also in the presence of ... | 1976 | 1004270 |
| [connection of thylakoids with plasmalemma in the synechococcus cyanobacterium]. | the edges of the thylakoids are connected with the plasmalemma in the cyanobacterium synechococcus sp., strain 715, this leading to partial compartmentalization of the cytoplasm in the cell. | 1976 | 1004281 |
| [difference between dental plaque formation by lactobacillus sp. and strep. mutans]. | human teeth were suspended in a basal medium with sucrose 10%; they were incudated for formation of dental plaques "in vitro". the microorganisms used were: strep. mutans, lactobacillus salivarius var. salivarius and a mixture of them. the following aspects were stablishad by scanning electron microscopy: 1) the teeth inoculated with strep. mutans had coccoid forms, lying on an organic film with spheric spaces in some sectors, and irreguar forms in others (fig. 1). 2) the teeth inoculated with l ... | 1976 | 1005789 |
| [a fourth species of onchocerca, o. garmsi n.sp. from the european deer (author's transl)]. | description of o. garmsi n.sp. in the connective subcutaneous tissue of cervus elaphus; furhter information on the description of o. tubingensis bain and schulz-key, 1974, in subcutaneous nodules of the same host. | 1976 | 1006803 |
| phycomycotic gastritis in buffalo calves (bubalis bubalis). | mycotic gastritis, primarily caused by rhizopus sp. was seen in six buffalo calves (7-13 days old) at postmortem examination. the predominant lesions were numerous raised ulcers in which were hyphae of rhizopus. in three calves, candida organisms were also present superficially in the ulcers. other changes in the mucosa were severe congestion, haemorrhage, thrombosis, necrosis, and infiltration by lymphocytes and neutrophils. both rhizopus and candida were highly pathogenic to rabbits when inocu ... | 1976 | 1006952 |
| phospholipase a2 activity of the regularly arranged surface protein of acinetobacter sp.199a. | the regularly arranged surface protein, the a-protein, of acinetobacter 199a has been shown to have phospholipase a2 activity. since half of the a-protein synthesised by acinetobacter 199a is secreted into the growth medium, the bacteria are producing extracellular phospholipase a2. | 1976 | 1009090 |
| a new antibiotic xk-90. ii. the structure of xk-90. | the new antibiotic, xk-90, produced by streptomyces sp. is active against gram-positive and gram-negative bacteria. the structure has been determined as n-acetyl-n'-(3-formyl-4-hydroxyphenyl)hydrazine (1) and is the second example of a naturally occurring antibiotic having the phenylhydrazine skeleton. | 1976 | 1010798 |
| [onchocerca raillieti n.sp. (filarioidea) from a domestic donkey in africa]. | onchocerca raillieti sp. n. (filarioidea), from the domestic donkey (equus asinus) in africa, is described. the species is compared to o. bohmi (supperer, 1953) n.comb, o. reticulata diesing, 1841, o. cervicalis railliet et henry, 1910, o. flexuosa (wedl, 1856) and o. armillata railliet et henry, 1909 and can be differentiated by numerous characters of which the most important are the anterior region of the female (which is straight and slender, 6 to 8 cm long, and bears longitudinal striae) and ... | 1976 | 1010927 |
| [isolation, purification and identification of phytotoxic substances from penicillium sp., str. 659]. | | 1976 | 1012098 |
| ixodes (afrixodes) bakeri arthur & clifford, 1961 (acarina: ixodidae): description of the male and immature stages from rodents and insectivores and notes on its biology in south africa. | the male, nymph and larva of ixodes (a), bakeri are described and illustrated with line drawings and scanning electron microscope photographs. this species was originally described from 1 female from otomys sp., nyika plateau, malawi. the present material consists of 28 collections from insectivores and 19 collections from rodents, van riebeeck nature reserve, transvaal, plus 1 collection from a rodent in the jonkershoek valley, cape province, republic of south africa. its biology in south afric ... | 1976 | 1012649 |
| [description of rhipicephalus bergeoni n. sp. (acarina, ixodida) of the mountains of ethiopia]. | | 1976 | 1013477 |
| desulfuromonas acetoxidans gen. nov. and sp. nov., a new anaerobic, sulfur-reducing, acetate-oxidizing bacterium. | anaerobic sea or fresh water media with acetate and elemental sulfur yielded enrichments of a new type of strictly anaerobic, rod-shaped, laterally flagellated, gram-negative bacterium. three pure culture-strains from different sulfide-containing sea water sources were characterized in detail and are described as a new genus and species desulfuromonas acetoxidans. the new bacterium is unable to ferment organic substances; it obtains energy for growth by anaerobic sulfur respiration. acetate, eth ... | 1976 | 1015937 |
| spirochaeta halophila sp. n., a facultative anaerobe from a high-salinity pond. | a facultatively anaerobic spirochete isolated from a high-salinity pond grew optimally when 0.75 m nacl, 0.2 m mgso4, and 0.01 m cacl2 were present in media containing yeast extract, peptone, and a carbohydrate. the organism failed to grow when any one of these three salts was omitted from the medium. aerobically-grown colonies of the spirochete were red, whereas anaerobically-grown colonies showed no pigmentation. non-pigmented mutants of the spirochete were isolated. the spirochete used carboh ... | 1976 | 1015946 |
| growth and pigment production by arthrobacter pyridinolis n. sp. | a new bacterium capable of growing on 2-hydroxypyridine as sole source of carbon and nitrogen was isolated from soil. during its growth on solid medium, approximately 50% of this substrate was converted to a brilliant blue crystalline pigment which was deposited extracellularly in the colony mass. the pigment was identical to that produced by arthrobacter crystallopoietes during its growth on 2-hydroxypyridine. the new isolate exhibited the typical cycle of morphogenesis characteristic of the ge ... | 1976 | 1015948 |
| [degradation of 4-chlorobenzoic acid by an arthrobacter species (author's transl)]. | an arthrobacter sp. growing on 4-chlorobenzoic acid as its sole source of carbon excretes 4-hydroxygenzoic acid and protocatechuic acid into the culture medium. protocatechuic acid is further attacked by "meta"-cleavage. during growth of the arthrobacter sp. on benzoic acid cis-cis muconic acid can be isolated from the medium, suggesting the involvement of the "ortho"-cleavage pathway. the enzymes both for the "meta"- and the "ortho"-cleavage pathway are inducible. | 1976 | 1015950 |
| the characterization of the rumen bacterium eadie's oval, magnoovum gen. nov. eadii sp. nov. | the rumen bacterium eadie's oval was examined by means of cell wall analysis and biochemical tests with a view to determine its taxonomic position. the purified cell walls contained components consistent with the organism being a gram-negative bacterium, and despite its large size no abnormal cell wall constituents were found. the biochemical tests indicate that eadie's oval is not a member of a previously described family. the name magnoovum gen. nov. eadii sp. nov. is proposed. | 1976 | 1015957 |
| an evaluation of selective broths based on the bi-selenite ion and on hypertonic strontium chloride in salmonellae detection in egg products. | of the 104 isolations of salmonella sp. from egg pulp, 97 were obtained from strontium chloride m broth, 42 from strontium selenite broth and 57 from strontium selenite a broth. the results suggest that the first medium may be used more successfully than bi-selenite based media for enrichment and subsequent detection of salmonellae in egg products; however, the growth of s. pullorum was not satisfactory in strontium chloride m broth. | 1976 | 1016123 |
| a study of nephritis of beef cattle in north queensland. | the incidence of subclinical nephritis in beef cattle slaughtered at a townsville abattoir during the period 1970-73 was 3.8 percent. a rising incidence coincided with the wet summer of 1973-74 reaching a peak of 8.2 percent thereafter in june 1974. all but 1 of 100 cases macroscopically identified as nephritis and studied histologically proved to be of interstitial type in which lymphocytic infiltration predominated. follicular lymphoid hyperplasia was also a common feature. the exceptional cas ... | 1976 | 1016164 |
| [effectiveness of terenol-hoechst and zanil-ici in the control of paramphistomum sp. in cattle]. | | 1976 | 1017564 |
| spirillum swimming: theory and observations of propulsion by the flagellar bundle. | the hydrodynamics and energetics of helical swimming by the bacterium spirillum sp. is analysed using observations from medium speed cine photomicrography and theory. the photographic records show that the swimming organism's flagellar bundles beat in a helical fashion just as other bacterial flagella do. the data are analysed according to the rotational resistive theory of chwang & wu (1971) in a simple-to-use parametric form with the viscous coefficients cs and cn calculated according to the m ... | 1976 | 1018163 |
| studies on the enteric absorption of selenium in the chick using localized coccidial infections. | studies were conducted to determine the primary loci of gastrointestinal absorption of inorganic selenium in the chick using radiotracer techniques and eimeria sp. infections of known site specificity for the gastrointestinal tract. results showed that coccidial infections in the anterior regions of the small intestine reduced selenium absorption and potentiated selenium deficiency among chicks fed critical levels of the mineral. absorption experiments showed that selenium absorption was greates ... | 1976 | 1019084 |
| [description of rhipicephalus camicasi n. sp. (aearidae, ixodida) of subdesert steppes of the plain of afar]. | | 1976 | 1019397 |
| septicemia, gastroenteritis, cholecystitis due to arizona sp. | | 1976 | 1019633 |
| ixodes sigelos, n. sp. (acarina : ixodidae), a parasite of rodents in chile, with a method for preparing ticks for examination by scanning electron microscopy. | | 1976 | 1020633 |
| [a new, sporulating, denitrifying, mesophilic bacterium: bacillus azotoformans n. sp. (author's transl)]. | the described bacterium was isolated by enrichment culture in peptone broth inoculated with garden soil, pasteurized and then put to incubate under n2o at 32 degrees. it is a gram-negative rod, motile with peritrichous flagella, and producing oval spores without exosporium in swollen sporangia. however, cells have the thick walls, mesosomes and persistant septa characteristic of gram-positive bacteria. it lacks fermentative activity, does not attack carbohydrates, has complex growth requirements ... | 1976 | 1020872 |
| [setaria species from water buffalo of southeast asia and from caffer buffalo of africa: comparative study with setaria spp. from cattle of the respective areas (author's transl)]. | setaria leichungwingi chen, 1937 (stat. nov.), parasite of bubalus bubalis in asia is closely related to s. labiatopapillosa, but the peribuccal chitinous crown is different. until now, specimens determined as s. labiatopapillosa in africa pertain in fact to two species s. labiatopapillosa sensu stricto and a new species described here: s. nelsoni n.sp., characterised by peribuccal crown's form (similated to that of s. leichungwingi) and by narrow host-sepcificity. it differs from s. leichungwi ... | 1976 | 1020891 |
| [on setaria spp; (nematoda, , filarioidea, setariidae) from the peritoneal cavity of equine spp.: two new sub-species, setaria equina theilerae from wild zebra of africa, and setaria equina dafaallai from horse and donkey of southern sahara area (author's transl)]. | 1) setaria equina (abildgaard, 1789) is from the horse and donkey of eurasia (and of america and the coastal stripe of north africa). 2) setaria equina theilerae n.sub.sp. is from the zebra of africa. 3) setaria equina defaallai n.sub. sp. is from the horse and the donkey of southern sahara area of the ethiopean region of africa, from the nile valley till to the western coast. 4) crossing between s. equina and s. e. theilerae may be possible, as their host spp. does with the resultant bastard of ... | 1976 | 1020892 |
| fertility test of frozen boar semen. | the fertility results of two experiments are presented. in experiment 1, the semen was frozen in tris-fructose-edta or bf3 diluents at 0-25 x 10(9)/ml sperm concentration and extended after thawing with either seminal plasma (sp) or the freezing medium (fm) containing no cryoprotective agent. in the second experiment the semen was glycerolated by two methods, frozen at 1-0 x 10(9)/ml sperm concentration, and extended wtih fm before insemination. fertility after double insemination within one oes ... | 1976 | 1021086 |
| [specific modification of free lysine amino groups of histidine decarboxylase from micrococcus sp. n. by trinitrobenzene sulfonic acid]. | it has been found that 14 lysine residues are accessible for trinitrobenzene sulfonic acid (tnbs) in the molecule of histidine decarboxylase (hdc). the other 62 lysine residues in the molecule of native hdc are masked and inaccessible for tnbs. it is demonstrated that the sh- and alpha-amino groups of methionine are not modified by tnbs. a correlation between the decarboxylase activity of the enzyme and the degree of its trinitrophenylation has been studied. hdc, whose molecule contains 3--9 tnp ... | 1976 | 1022283 |
| identification of a novel aminonucleoside produced by enterobacter sp. as 2'-amino-2'-deoxyguanosine. | | 1976 | 1022341 |
| [amino acid sequence in tryptic peptides of maleylated micrococcus sp. n. histidine decarboxylase beta-polypeptide chain]. | maleilated histidine decarboxylase beta-polypeptide chain, containing 3 arginine residue, was hydrolysed by trypsin. 4 non-overlapping homogenous peptides were isolated, 3 of them containing one arginine residue and the 4th peptide being c-terminal fragment of beta-chain. beta-polypeptide chain is found to consist of 78 amino acid residues and to have molecular weight of 8456. primary structure of each peptide and their possible sequence in beta-chain are determined. | 1976 | 1024578 |
| biology of the snail-killing fly, sepedon spangleri beaver (diptera: sciomyzidae). ii. ability of the larvae to kill snails of medical importance in thailand. | s. spangleri larvae preferred five species of non-operculate snails; gyraulus convexiusculus hutton, segmentina hemisphaerula benson, hippeutis umbilicalis benson, indoplanorbis exustus larambergue, and trochobis trochoideus benson. they occasionally consumed the operculate snails: melanoides tuberculata muller, lithoglyphopsis aperta, hubendickia siamensis brandt, lacunopis munensis brandt, tarebia granifera, lamarch and viviparus sp. but were innocuous to bithynia laevis lea. | 1976 | 1025750 |
| [synaptic potentials in smooth muscle cells]. | investigations were carried out on smooth muscle cells (smc) of rat and rabbit anococcygeus by the method of a double "sugar bridge" in the presence of tetraethylammonium (1 mm/1) in the krebs solution. stimulation of the muscle strip by the electric current rectangular pulse of the maximal value and of short duration caused the development of excitatory postsynaptic potentials (ep sp) in the rat and rabbit smc, and of inhibitory postsynaptic potentials in the rabbit smc. the value of postsynapt ... | 1976 | 1026285 |
| [thermogenesis of mesophilic, thermotolerant and thermophilic strains of microorganisms--producers of fungal cell wall--destroying enzymes]. | investigations were carried out to clarify the relationship between thermogenesis and production of yeast wall lyzing enzymes by the mesophilic strain of bacillus subtilis, thermotolerant strain of actinomyces sp. ii and thermophilic strain of actinomyces sp. 10. the enzymic lyzing activity was measured in the culture liquid filtrate of those microorganisms. the thermophilic strain of actinomyces sp. 10 showed the highest enzymic activity. the thermogenetic curves of the cultures had several inf ... | 1976 | 1026939 |
| [the presence of anisakis sp. larvae in the pacific jack mackerel, trachurus murphyi, nichols, 1920. (some comments on their relation with human eosinophilic granuloma) (author's transl)]. | | 1976 | 1029476 |
| [purification and enzyme study of kininogens i and ii from human plasma]. | kininogens i (hmw) and ii (lmw) were isolated and partially purified from human plasma. the disappearance of kininogen i was prevented by the use of hexadimethrine bromide, which inhibits the activation of plasma prekallikrein. the two kininogens were separated by chromatography on deae-cellulose. further purification of kininogen i and ii was achieved by separate chromatographic steps of the partially purified kininogens on sp-sephadex. the purification of the kininogens was controlled by incub ... | 1976 | 1032268 |
| sensitivity distribution of phytopathogenic bacteria and fungi to antibiotics. | the minimal inhibitory concentrations (mic) of various antibiotics and fungicides for erwinia carotovora, pseudomonas coronafaciens var. atropurpurea, p. lachrymans, alternaria mali, a. kikuchiana, pyricularia oryzae, botrytis sp. and sclerotinia sp. isolated from diseased plants in various localities of japan were examined to enable the isolates to be gruoped into sensitive and resistant strains. to minimize the effects of various variable conditions, mic of isolates were pooled for either 2 or ... | 1976 | 1033174 |
| dehydrodicaffeic acid dilactone, an inhibitor of catechol-o-methyl transferase. | in the screening of catechol-o-methyltransferase inhibitors, three compounds were isolated from the culture filtrate of a mushroom, inonotus sp. one was 3,4-dihydroxycinnamic acid (caffeic acid) which had been reported as an inhibitor of this enzyme. the others were the dextrorotatory 2,6-bis-(3',4'-dihydroxyphenyl)-3,7-dioxabicyclo-[3,3,0]-octane 4,8-dione (dehydrodicaffeic acid dilactone) andits antipode. these new compounds inhibited both dopamine beta-hydroxylase and dopa decarboxylase and s ... | 1976 | 1033176 |
| infection of a nonspecific urethritis patient and his consort with a pathogenic species of nonspecific urethritis corynebacteria, corynebacterium genitalium, n. sp. | a patient with nonspecific urethritis (nsu) and his consort were examined for infection with nsu corynebacteria, mycoplasmas, and gonococci. no classic and t-mycoplasmas or gonococci were cultured, but one species of nsu corynebacteria was isolated not only from the patient's urethral discharge during three episodes of nsu but also from his consort. it was not isolated after successful treatment of the patient with tetracycline and the use of condoms prevented reoccurrence of urethritis. this ns ... | 1976 | 1036491 |
| [advantages, disadvantages and selection methods of thyroxine measurement--comparison of cpba and ria]. | although recent progress in radioimmunoassay (ria) permitted direct ria for thyroxine (t4), there appeared few reports evaluating clinical applicability of t4 ria as routine method. the authors evaluated advantage, disadvantage of methods for t4 measurement in comparison between cpba (competitive protein binding analysis) and ria, and tried to discuss about selection of methods for t4 measurement. res-o-mat t4 was chosen as cpba, and riamat-t4(st) and t4-riakit(sp) were chosen as rias. detailed ... | 1976 | 1037403 |
| cefamandole: antimicrobial activity in vitro of a new cephalosporin. | cefamandole, a new cephalosporin derivative, was found to have a broad spectrum of activity against a cross-section of both gram-positive and gram-negative bacteria isolated from clinical material. gram-positive cocci, except for streptococcus faecalis, were very susceptible. penicillin g-resistant staphylococcus aureus also was susceptible to cefamandole. minimal bactericidal concentrations for gram-positive cocci approximated the minimal inhibitory concentrations. strains of haemophilus influe ... | 1975 | 1044248 |
| antibiotic resistance of shigellas in new zealand. | a who assisted survey of antibiotic resistance of shigella sp from various countries in the western pacific region was carried out by the national institute of health, tokyo, japan. of 282 unselected isolates from throughout new zealand, 221 (78 percent) exhibited resistance to one or more antibiotics. the implications of these results in relation to treatment are briefly discussed. | 1976 | 1063919 |
| staphylococcal bacteremia in a "germ-free" unit. | the rate of carriage and infections due to strains of staphylococcus aureus were evaluated in adults with acute leukemia in isolators characterized by laminar air flow and barrier isolation. patients were randomly given antimicrobial prophylaxis with oral nonabsorbed antibiotics and a nasal antibiotic ointment. in four years s aureus was isolated from the nostrils or other sites in 36 patients. persistent isolation was noted in 24 patients. suppression of gut flora was associated with a higher c ... | 1976 | 1068646 |
| bacteriological findings in sinusitis (1963-1975). | two different studies were performed in order to determine the role of aerobic and anaerobic bacteria in sinusitis. aerobes: a retrospective study of 331 cases of all types of sinusitis (from 1963 till 1975) showed an increasing occurrence of haemophilus influenzae during the last three years. only in the acute sinusitis is streptococcus pneumoniae more frequently found than haemophilus influenzae, which exhibits the highest occurrence in chronic and undeterminable cases. we found cultures with ... | 1976 | 1070150 |
| home humidifier thermophilic actinomycete isolates. | twenty-seven thermophilic actinomycete isolates obtained from humidification systems or living-bedroom areas of individuals with suspected but unproved home environment-related respiratory disease were characterized morphologically and biochemically. all isolates were demonstrated to be members of the thermoactinomyces genus. two previously misidentified isolates were reclassified as a thermoacetinomyces sp. thus, all of our thermophilic actinomycete humidifier isolates studied to date have been ... | 1976 | 1078519 |
| penetration and survival of mesocercariae (alaria spp.) in the mammalian eye. | a canadian woman presented with a motile, intra-retinal worm, which by appearance and movement was strikingly similar to the mesocercaria of alaria sp., a trematode from frogs. using these mesocercariae and rabbits this study set out to establish 1) whether these mesocercariae can penetrate the cornea, 2) how long they might survive within the eye, and 3) what reaction is produced. it was found that some penetrated the cornea readily and, after injection, were capable of prolonged survival withi ... | 1975 | 1078989 |
| lipomyces anomalus sp. nov. | a description of a new yeast species from soil - lipomyces anomalus - is given. it differs from all the accepted lipomyces spp. by the formation of abundant pseudomycelium, absence of capsules, the assimilation properties, and its habitat: the north taiga subzone. | 1975 | 1080395 |
| the life cycle of haematoloechus coloradensis cort 1915 (digenea: plagiorchiidae), with emphasis on host susceptibility to infection. | mother and daughter sporocysts and xiphidiocercariae of haematoloechus coloradensis develop in the snail, physa virgata. cercariae penerate and encyst in dragonfly nymphs, tramea sp., libellula sp., anax sp., and in damselfly nymphs, enallagma spp. upon ingestion by the vertebrate host, metacercariae excyst and migrate into the lungs where they mature. haematoloechus coloradensis is specific for its definitive host, r. pipiens, but shows some development in ambystoma tigrinum. although h. colora ... | 1975 | 1080802 |
| biasing of the summating potentials. | summating potentials (sp) were recorded in the guinea pig cochlea, utilizing the differential-electrode technique. the effects of biasing the cochlear partition of the sp were observed under three different conditions: 1. electrical biasing--direct current polarization: 2. stimulus biasing--mechanical bias induced by low frequency sound stimulation, 3. cocb biasing--electrical stimulation of the crossed olivo-cochlear bundle. all three forms of biasing were found to have similar ellects on the s ... | 1975 | 1080943 |
| trichosporon terrestre sp. nov. | a single strain representative of an undescribed trichosporon species, was recovered from soil. the cell wall of the strain corresponds in structure to cell walls of the ascomycetous yeasts. on the ground of x-ray inactivation data the strain is assumed to be diploid. a description of the new species is given. | 1975 | 1082301 |
| ampicillin-resistant hemophilus sp. | | 1976 | 1082793 |
| methanobacterium arbophilicum sp.nov. an obligate anaerobe isolated from wetwood of living trees. | the isolation and characterization of a new methanogenic bacterium, methanobacterium arbophilicum, is described. isolation from wetwood enrichment cultures, that were obtained from methane-positive trees, required a medium containing inorganic salts, vitamins, and an atmosphere consisting of an 80:20 mixture of hydrogen-carbon dioxide. isolates of m. arbophilicum were gram-positive, non-motile short rods that occurred singly, in pairs, or chains. the organism was found to be an autotroph and a s ... | 1975 | 1083210 |
| rhodopseudomonas sphaeroides forma sp. denitrificans, a denitrifying strain as a subspecies of rhodopseudomonas sphaeroides. | from polluted water of a lagoon pond a new type of denitrifying photosynthetic purple bacteria was isolated. with respect to morphology, fine structure, photopigments, requirement for growth factors, the range of utilization of organic substrates for phototrophic growth and dna base ratio, the denitrifying strains show the closest resemblance to rhodopseudomonas sphaeroides and were therefore described as a subspecies named r. sphaeroides forma sp. denitrificans. the new isolates grow well with ... | 1976 | 1085137 |
| prosthecobacter fusiformis nov. gen. et sp., the fusiform caulobacter. | four strains of heterotrophic, fusiform caulobacters have been isolated from freshwater sources. a single prostheca extends from one pole of mature cells, and cells attach to various substrata by means of a holdfast located at the distal tip of the appendage. thus, superficially these bacteria bear a strong resemblance to bacteria in the genus caulobacter. however, unlike caulobacter these bacteria do not exhibit a dimorphic life cycle of motile, non-stalked daughter cells and immotile, stalked ... | 1976 | 1086646 |
| a mixed bacterial population in a continuous culture with and without kaolinite. | chromobacterium lividum and a pseudomonas sp. were grown in pure and mixed continuous culture with and without the clay-mineral, kaolinite. irrespective of the growth conditions, c. lividum adhered to the wall of the culture vessel whereas the pseudomonas sp. showed no such tendency, at least visually. during mixed culture studies, the organism which was initially established in the culture dominated. the ratio between c. lividum and the pseudomonas sp. was about 20:1 when c. lividum was first e ... | 1975 | 1089463 |
| trichoviridin and dermadin from trichoderma sp. tk-1. | | 1975 | 1089624 |
| observations on the ultrastructure of the choanoflagellate codosiga botrytis (ehr.) saville-kent with special reference to the flagellar apparatus. | the ultrastructure of the choanoflagellate codosiga botrytis is described with particular reference to the flagellar appendages, the flagellar rootlet system, the transition zone, the basal body and accessory centrioles, and the stalk. the controversial early reports of flagellar appendages in this species have been confirmed and they have been detected in 2 further species, salpingoeca frequentissima and monosiga sp. the appendages consist of a delicate bilateral vane 2 mum wide on either side ... | 1975 | 1089676 |
| puerperal endometritis: a prospective microbiologic study. | this study was undertaken to determine the flora in the endometrial cavity of two groups of puerperal patients: 47 afebrile control subjects and 27 with endometritis. a transcervical culturing technique designed to avoid cervical contamination and to preserve aerobes, anaerobes, and mycoplasma was employed, and bacterial colony counts were reported semiquantitatively. no difference was found in the flora of these two groups. furthermore, the most common pathogenic organisms (in decreasing order ... | 1975 | 1090177 |
| bacterial flora of the hemolymph of the blue crab, callinectes sapidus: numerical taxonomy. | bacteria isolated from the hemolymph of normal blue crabs were found to be predominantly vibrio sp., pseudomonas sp., acinetobacter sp., bacillus sp., flavobacterium sp., and coliforms. vibrio parahaemolyticus, a cosmopolitan facultative pathogen widely implicated in outbreaks of gastroenteritis related to the consumption of improperly processed seafood, was present in crabs collected between the months of may to november and was identified in up to 21% of the hemolymphs sampled. | 1975 | 1090258 |
| [development and survival of actinomyces sp. under starvation conditions]. | | 1975 | 1091304 |
| characteristics of pure cultures of borrelia sp. isolated from the bovine rumen. | | 1975 | 1092135 |
| a new prodiginne (prodigiosin-like) pigment from streptomyces. antimalarial activity of several prodiginnes. | two prodigiosin-like pigments from streptomyces sp. were shown to be undecylprodiginine (i) and butylcycloheptylprodiginine (v). the antimalarial activity of five prodiginine pigments is given. | 1975 | 1092639 |
| primary interaction between antibody and components of alternaria. ii. antibodies in sera from normal, allergic, and immunoglobulin-deficient children. | antibodies in sera from normal, allergic, and immunoglobulin-deficient children were studied for binding to radiolabeled components of alternaria tenuis. significant binding levels were found in 103 of 105 sera from normal children. the levels were age-dependent, rising from a low point in the 7- to 12-month age group to adult levels by the age of 8 years. levels of binding to two antigens, a culture filtrate derivative (125i-clf) and a mycelial derivative (125-i-hs), were similar. sera from ast ... | 1975 | 1094055 |
| transmissible substrate-utilizing ability in enterobacteria. | three of 152 strains of escherichia coli transmitted their ability to utilize sucrose (sac+) to other strains by conjugation. the transfer factor of one of them and of a sac+ salmonella thompson strain was thermosensitive. the raffinose-utilizing ability of 27 of 163 e. coli strains was also transmissible. transmissible raffinose-utilizing ability was a feature of porcine enterpathogenic strains possessing the k88 antigen. the determinants controlling raffinose utilization (raf) and k88 antigen ... | 1975 | 1094091 |
| cinoxacin: in vitro antibacterial studies of a new synthetic organic acid. | cinoxacin (compound 64716) is a synthetic organic acid with antibacterial activity against most aerobic gram-negative bacilli. minimal inhibitory concentrations of cinoxacin (agar-dilution method) were determined for 419 strains. escherichia coli was the most susceptible group of organisms. the majority of klebsiella sp., enterobacter sp., proteus sp., and serratia marcescens were inhibited by 8 mug of cinoxacin per ml. pseudomonas aeruginosa and all gram-positive isolates tested were resistant ... | 1975 | 1094949 |
| [purification of microbial asparaginases by the aid of affinity chromatography]. | asparaginases from escherichia coli and erwinia caratovora were isolated and purified by column chromatography with a specific sorbent (sepharose, covalently bound to n-alpha-(6-aminohexyl)-d-asparagine). homogenous asparaginase from e. coli was isolated by one-step procedure, while the enzyme from er. carotovara was 50-60-fold purified. asparaginase from mycobacterium n. sp. was found not to bind with the specific sorbent. | 1975 | 1095078 |
| effect of microorganisms isolated from the upper gut of malnourished children on intestinal sugar absorption in vivo. | the effect of microorganisms isolated from the upper gastrointestinal tract of malnourished children on intestinal sugar absorption was studied in rats in vivo. pure cultures of organisms were grown overnight in a nutrient broth and the resultant supernatant fluid which contained microorganisms in similar numbers to those found in the patients was used as the basic solution for jejunal perfusions which were done in anesthetized adult wistar rats. the substrate used was arbutin (p-hydroxphenyl-be ... | 1975 | 1096588 |
| microbiological characteristics of dungeness crab (cancer magister). | aerobic, heterotropic microorganisms of dungeness crab (cancer magister) were isolated from raw crab, cooked crab, crab meats obtained during commercial processing, and from retail crab meat samples. each microbial isolate was then identified to the genus level employing the revised replica plating procedure. microbial groups most commonly isolated from crab meat were, in the order of predominance, moraxella, pseudomonas, acinetobacter, arthrobacter, micrococcus, flavobacterium-cytophaga, and ba ... | 1975 | 1096824 |
| comparative clinical study of doxycycline and minocycline. | doxycycline and minocycline were given intravenously to patients with a serious underlying disease who presented a pulmonary infection or a wound infection. both therapies were easy to administer and well tolerated. however they should not be used in the initial therapy since resistant strains may occur. the clinical and bacteriological effectiveness of doxycycline and minocycline were similar. in pneumococcal pulmonary infections, the rates of favorable clinical response to doxycycline and mino ... | 1975 | 1097343 |
| a novel actinomycete from sugar-cane bagasse: saccharopolyspora hirsuta gen. et. sp. nov. | a new species of nocardioform actinomycete isolated from spontaneously heated sugar-cane bagasse is described as saccharopolyspora hirsuta gen. et sp. nov. it has affinities with species of both nocardia and actinomadura but can be distinguished from both genera by its morphology, sporulation, wall and lipid analyses, antibiotic resistance, degradation and carbon utilzation tests. | 1975 | 1097584 |
| the relationship between nitro group reduction and the intestinal microflora. | the capacity of rats to reduce a 25-mg dose of p-nitrobenzoic acid (pnba) was measured by quantifying the amount of this compound recovered in the urine as p-aminobenzoic acid (paba) and its conjugates. it was found that germfree rats converted approximately 1% of pnba to paba; in conventional rats the conversion was approximately 25%. various bacteria isolated from the rat cecum were selectively associated with germfree rats and it was demonstrated that these bacteria colonized their gastrointe ... | 1975 | 1097637 |
| surveillance of some infectious diseases among aircrew personnel in southeast asia. | a 2-year analysis of specimens among aircrew personnel in southeast asia is reported. stool specimens were examined for intestinal parasites and enteric bacteria, blood smears for blood parasites, and sera tested for transaminases (sgot) and antibodies to entamoeba histolytica, toxoplasma gondii, chikungunya and japanese encephalitis viruses, rickettsia tsutsugamushi, leptospira sp. and pseudomonas pseudomallei. one to four specimens each were obtained from 537 adult males and 20 females. there ... | 1975 | 1100040 |
| evaluation of antibody coating of yeasts in urine as an indicator of the site of urinary tract infection. | antibody coating of yeasts (candida sp. and torulopsis sp.) found in urine specimens was investigated to ascertain whether the presence of such coating might identify the site of urinary tract infection. washed yeast cells obtained by centrifugation of fresh urine specimens were reacted with fluorescein-conjugated goat antihuman immunoglobulins (ig) g, a, and m and examined by fluorescent microscopy. igg was found on the surface of all species of yeast encountered in all urine specimens evaluted ... | 1975 | 1100674 |
| [studies on the influence of pentosanepolysulfate and a combination of pentosanepolysulfate, metamizol and paracetamol on inflammatory liability (author's transl)]. | the influence of pentosanepolysulfate (sp 54) and a combination of pentosanepolysulfate, metamizol and paracetamol (probaphen) on the course of an experimentally induced erythema caused by intracutaneous injection of a lipopolysaccharide from pseudomonas has been studied in man. the intramuscular injection of probaphen as well as sp 54, separately given, showed a significant antiinflammatory effect. a similar effect was also achieved after administration of probaphen suppositories. probaphen sho ... | 1975 | 1101908 |
| characteristics of two broad spectrum antibiotics produced by mycoplasma sp. rp iii. | two extracellular antibiotics produced by mycoplasma sp. rp iii growing in serum-containing media have been purified by solvent extraction and ion-exchange chromatography. factor i inhibits gram-positive and gram-negative bacteria in vitro and a crude preparation protected mice from pseudomonas and straphylococcus infections; it is of low cytotoxicity. factor ii, a lipid, inhibits gram-positive and gram-negative bacteria, candida species, and is as cytotoxic as the actinomycins. | 1975 | 1102511 |
| platomycins a and b i taxonomy of the producing strain and production, isolation and biological properties of platomycins. | two new antibiotics, platomycins a and b, belonging to the phleomycin-bleomycin family, were isolated from the culture filtrate of streptosporangium sp. mk-78. this strain has been identified as a new variety of streptosporangium violaceochromogenes. both platomycins a and b are active against a variety of gram-positive and gram-negative bacteria, and also inhibit solid sarcoma 180 and ehrlich ascites carcinoma. | 1975 | 1102513 |
| dna restriction and modification systems in salmonella. iii. sp, a salmonella potsdam system allelic to the sb system in salmonella typhimurium. | by screening 42 salmonella strains with p3, a temperate bacteriophage with an unusually wide host range, five new dna restriction and modification systems (r-m systems) were identified in five different serotypes in kauffmann-white group c. one of these systems, sp, in a pl-sensitive strain of s. potsdam, was analyzed genetically by pl transduction methods in which sp was transferred into s. typhimurium and c. coli/s. typhimurium hybrids. it was found that the genes of the sp system were allelic ... | 1975 | 1102934 |
| experimental immunohistochemical studies on the localization and distribution of substance p in cat primary sensory neurons. | with the indirect immunofluorescence technique of coons and collaborators the occurrence of substance p (sp)-like immunoreactivity was studied in spinal ganglia (l6-s1), the spinal cord (l6-s1) and the pad skin of the hind paw of the cat. in untreated cats a very dense network of sp-positive fibers was found in the spinal cord in lissauer's fasciculus, in laminae i-iii and a rather dense plexus was seen in the ventral horns, in the area around the central canal (laminae x) and in the medial part ... | 1975 | 1104079 |
| [in vitro examination on antibacterial activities of broad-spectrum antibiotics against gram-negative clinical isolates (author's transl)]. | in vitro studies were undertaken on clinically isolated strains of various bacteria to examine the antibacterial activity of ampicillin (ab-pc), carbenicillin (cb-pc), sulbenicillin (sb-pc) cephalothin (cet), cefazolin (cez) and gentamicin (gm). fifty three % of escherichia coli strains 53.3% of citrobacter sp., 80% of proteus mirabilis, 42.9% of morganella and 80% of bacteroides sp. were susceptible (mic being not higher than 12.5 mug/ml) to ab-pc. the eight other species were not so susceptibl ... | 1975 | 1104913 |
| comparison of batch and semicontinuous cultures for production of protein from mesquite wood by brevibacterium sp. jm98a. | the production of protein by a brevibacterium sp. jm98a using mesquite wood as the substrate was compared in batch and semicontinuous cultures. a 14 liter glass fermentor with automatic ph, temperature, and foam control was used for the study. a ph range of 6.6 to 7.2 was optimum for the growth of jm98a. the batch and semicontinuous cultures were compared on the basis of viable cell counts, protein production, cmc-ase (beta-1,4-glucanase) activity, and filter paper cellulase (beta-1,4-glucan cel ... | 1975 | 1106791 |
| conversion of aniline into pyrocatechol by a nocardia sp.; incorporation of oxygen-18. | | 1975 | 1112420 |
| sequential degradation of keratan sulfate by bacterial enzymes and purification of a sulfatase in the enzymatic system. | pseudomonas sp. ifo-13309 and actinobacillus sp. ifo-13310, bacteria which exhibit a symbiotic growth in a medium containing keratin sulfate as a sole carbon source, were isolated from soil. extracts of these organisms were shown to contain an endoglycosidase, a sulfatase, and exo-beta-d-galactosidase, and an exo-beta-d-n-acetylglucosaminidase which, together, catalyze an extensive cleavage of corneal keratan sulfate. the pseudomonas extract was particularly rich in the endoglycosidase activity ... | 1975 | 1112796 |
| studies on the physiological significance of the lack of a pyruvate dehydrogenase complex in hyphomicrobium sp. | hyphomicrobium x was grown in media containing either methanol or ethanol as a carbon and energy source, with or without additional organic carbon sources. the organism transported pyruvate, malate and succinate into the cells, and incorporated their carbon skeletons into cellular material, but when each of these compounds was added as sole carbon and energy source none supported growth of the organism. enzymic analysis of crude cell-free extracts failed to detect either a complete pyruvate dehy ... | 1975 | 1113081 |
| effects of mercuric chloride on growth and morphology of selected strains of mercury-resistant bacteria. | a survey of the comparative cytological effects of growth in the presence of mercury by a group of mercury-resistant bacterial cultures and a characterization of the process of bacterial adaptation to hg2+ ion was accomplished. mercury resistance was found to be dependent upon the ability to volatilize mercury from the medium and upon the amount of mercury accumulated by the cells. the results indicate that most cultures which adapt to growth in the presence of hgcl2 exhibit extensive morpholo ... | 1975 | 1115499 |
| effect of relative humidity on the survival of airborne unicellular algae. | a method is described which is suitable for assessing the effects of relative humidity (rh) on the viability of two unicellular algae in experimental aerosols. viable cells of nannochloris atomus collected from the airborne state were detected by plating onto agar surfaces of an appropriate growth medium, whereas viable airborne cells of synechococcus sp., because of unreliable growth on solid media, were determined by a liquid assay system. the assays were performed at intervals during short-t ... | 1975 | 1115506 |
| oxidative degradation of squalene by arthrobacter species. | an organism isolated from soil and identified as arthrobacter sp. was studied for its squalene degradation. the degradation product from squalene, which accumulated in the culture broth, was isolated and identified as trans-geranylacetone by mass spectrometry, gas chromatography, infrared spectrometry, and nuclear magnetic resonance spectrometry. addition of a high concentration of k2hpo4 to the culture medium resulted in accumulation of fairly large amounts of carboxylic acids in addition to ge ... | 1975 | 1115507 |
| microbial assimilation of hydrocarbons. ii. intracytoplasmic membrane induction in acinetobacter sp. | 1. the induction of intracytoplasmic membranes was demonstrated to occur in acinetobacter sp. when grown on hexadecane, heptadecane, and hexadec-1-ene. 2. evidence for a physical relationship between the cytoplasmic hydrocarbon "pools" and the intracytoplasmic membranes is presented. 3. the specificity of cytoplasmic pooling of hydrocarbons and the induction of intracytoplasmic membranes was investigated in relationship to hydrocarbon oxidation. 4. these results suggests that both processes are ... | 1975 | 1115562 |
| influence of temperature and salt concentration on the growth of a facultatively halophilic "micrococcus" sp. | growth characteristics of a facultatively halophilic strain of micrococcus, capable of growth in medium containing no added nacl and in medium containing 5.5 m nacl, were studied over a range of salt concentrations and temperatures. optimal growth occurred at 35c in a medium containing 1.0 m nacl. in a medium containing 0.1 m nacl, growth only occurred if the incubation temperature was less than 30c. no growth occurred if kcl, licl, nh4cl, mgcl2, or sucrose was substituted for nacl at 35c. a ree ... | 1975 | 1116036 |
| comparative analysis of the lipids of acinetobacter species grown on hexadecane. | a comparative analysis of the cellular and extracellular lipids of acinetobacter species ho1-n indicated basic physiological differences in hexadecane-grown cells. the cellular lipids obtained from hexadecane-grown cells were characterized by 3- and 18-fold increases in the phospholipid fraction and the mono- and diglyceride fraction, respectively, over that obtained from nutrient broth-yeast extract-grown cells. the cellular-associated pools of hexadecane were shown to comprise approximately 8% ... | 1975 | 1116989 |
| feeding studies in rats with high protein fungus grown on natural gas. | preliminary feeding studies were conducted with a high protein fungus (graphium sp.) grown on natural gas. the biomass, containing approximately 50% protein, is considered a potential source of single cell protein. in short-term (1-week) experiments, rats gained weight when fed semisynthetic diets containing up to 40% of the biomass, although growth was depressed at the higher levels. rats lost weight but survived for this length of time when fed biomass alone. chronic toxicity was tested in a 5 ... | 1975 | 1117342 |
| two new species of the genus caminacarus (acarina: cloacaridae) from turtles in louisiana. | caminacarus chrysemys sp. n. and caminacarus terrapenae sp. n. are described from the cloaca of chrysemys scripta elegans and terrapene carolina in louisiana. the former species is very similar to caminacarus deirochelys but differs in the form of the dorsal shield which has longer lateral elongations and the median dorsal elongation does not extend to the genital sclerite, structure of the anterodorsal wall of the gnathosomal base which is closed forming a ringlike apodeme, and structure of the ... | 1975 | 1117354 |
| trypanosoma cervi sp. n. from elk (cervus canadensis) in wyoming. | trypanosoma cervi sp. n. is described from 22 trypomastigote syntypes from the blood of elk, cervus canadensis, in north america (type locality: wyoming). the blood trypomatigotes of t. cervi are compared with various culture forms: epimastigotes in 22 to 25 c nnn cultures; trypomastigotes in 37 c nnn cultures; and trypomastigotes from cam chick embryo (10-day) cultures. trypanosoma cervi is differentiated on morphological grounds from the cosmopolitan bovine species, t. theileri, and from t. in ... | 1975 | 1117365 |
| the life cycle of echinoparyphium ralphaudyi sp. n. (trematoda: echinostomatidae). | the life cycel and morphology of echinoparyphium ralphaudyi sp. n. is described. natural infections were found in bulinus truncatus from egypt, ethiopia, and the yemen arab republic, and later in b. forskalii and b. sericinus from ethiopia. sporocysts develop near the places of miracidial entry into the snail (the head-foot region, mantle edge, pseudobranch, and antennae). rediae occur mainly in the ovotestis and in tissues anterior to the liver. the first cercariae are released 24 days postexpo ... | 1975 | 1117371 |
| two new species of echeneibothrium (cestoda: tetraphyllidea) from skates in the western north atlantic. | echeneibothrium bathyphilum sp. n. is described from the deep-sea skate, raja bathyphila holt and byrne. echeneibothrium sobrinum sp. n., a parasite in the spiral intestine of the skates raja ocellata mitchill and raja erinacea mitchill, is described from vineyard sound near woods hole, massachusetts. additional data are given for e. vernetae euzet, 1956, from living and fixed specimens obtained from the type host in the type locality. morphology of the strobilae and bothridia, testes numbers, a ... | 1975 | 1117380 |
| eimeria taterae sp. n. and other intestinal parasites from the antelope rat, tatera indica in baghdad district. | of 8 fecal specimens from the antelope rat, tatera indica hardwicke examined, 4 were found positive for intestinal parasites. among these was eimeria taterae sp. n., sporulated oocysts of which are described, their characteristics serving for the diagnosis of this species. entamoeba coli cysts, as well as ova of hymenolepis sp. and trichuris sp., were also found. | 1975 | 1117434 |
| reproduction, structure and host specificity of trypanosoma (herpetosoms) tamiasi sp. n. from the eastern chipmunk, tamias striatus. | trypanosoma (herpetosoma) tamiasi sp. n. is described from blood and organs of the eastern chipmunk, tamias striatus, and the least chipmunk, eutamias minimus. in experimentally infected tamias striatus and e. minimus, trypanosoma tamiasi reproduced by equal binary fission in the trypo-, sphaero-, epi-, or amastigote form, mainly in lymphoid organs. trypomastigotes developed from amastigotes through epimastigotes, or from sphaeromastigotes, mainly in the same organs. the mean lengths of body ... | 1975 | 1117439 |
| [native trichostrongylus sp. infection in man]. | | 1975 | 1121875 |
| the effect of microorganisms on phytotoxicity of herbicides. ii. increase of phytotoxicity of venzar in the presence of phenolic compounds by pseudomonas sp. 22. | | 1975 | 1121931 |
| the split ejaculate of the boar: contributions of the epididymides and seminal vesicles. | the epididymal and seminal vesicular contributions to split-ejaculate fractions from boars were analysed for sperm concentration, glycerylphosphorylcholine (gpc), total-n, ethanol-soluble and insoluble n, citrate, zinc and haemagglutinin. the same components were also determined in epididymal plasma (ep), vesicular secretion (vs) and whole seminal plasma (sp). isoelectric focusing of protein patterns was studied in the fractions. with the exception of haemagglutinin, the components were present ... | 1975 | 1123818 |
| isolation of five active thyrotropin components from human pituitary gland. | a procedure is described for the isolation of human pituitary thyroid-stimulating hormone (thyrotropin). the starting material was a side-fraction provided by the earlier developed process for the purification of growth hormone from whole frozen pituitaries. this fraction was further purified by successive chromatography on bio-gel p-150, bio-gel ht hydroxyapatite, and sp-sephadex c-50. the resulting preparation was obtained in yields of 10 mg/kg of pituitary tissue and had a thyrotropin potency ... | 1975 | 1125234 |