| basis for the susceptibility of several algae to microbial decomposition. | partially purified cellulase and a cellulase-containing polygalacturonase but notlysozyme extensively degraded the walls of chlamydomonas reinhardtii and ulothrix fimbrata and converted intact cells of the algae to spheroplasts. a streptomycete cellulase cochromatographed with the enzyme system releasing glucose from walls of these organisms, and this preparation also converted the algal cells to spheroplasts. the dominant constituent in the walls was carbohydrate, and glucose and small quantiti ... | 1975 | 1125856 |
| production of bacillin by bacillus sp. strain no. km-208 and its identity with tetaine (bacilysin). | | 1975 | 1126868 |
| tetraphyllidean cestodes from western north atlantic selachians with descriptions of two new species. | rhinebothrium corymbum sp. n. is described from dasyatis americana hildebrand and schroeder. rhabdotobothrium anterophallum sp. n. is reported from mobula hypostoma (bancroft) representing a new family of hosts (mobulidae) for tetraphyllideans. both new species can be distinguished from all others by the number and arrangement of bothridial loculi, position of the genital pore, and testes number and distribution. a new host and additional data are presented for phoreiobothrium triloculatum linto ... | 1975 | 1127554 |
| acanthocephalus parksidei sp. n. (acanthocephala: echinorhynchidae) from wisconsin fishes. | acanthocephalus parksidei sp. n. is described from over 4,000 specimens recovered from 11 fish hosts in the pike river, southeastern wisconsin. a parksidei is a highly variable acanthocephalan which appears to present an intermediate form between the only 2 other members of the same genus, a. dirus and a. jacksoni, described from north american freshwater fishes. it is structurally similar to the larger a. dirus but is separated from it primarily by having fewer proboscis hook rows and hooks per ... | 1975 | 1127558 |
| thynnascaris reliquens sp. n. and t. habena (linton, 1900) (nematoda: ascaridoidea) from fishes in the northern gulf of mexico and eastern u.s. seaboard. | thynnascaris reliquens sp. n. is described from the type host, the sheepshead, archosargus probatocephalus (walbaum), and other fishes of the northern gulf of mexico and southern florida, including the gulf toadfish, opsanus beta (goode and bean); the spiny boxfish, chilomycterus schoepfi (walbaum); the slippery dick, halichoeres bivittatus (bloch); and the atlantic croaker, micropogon undulatus (linnaeus). its salient characters are: length up to approximately to 12.5 cm; lips broad, with pedun ... | 1975 | 1127562 |
| filaroides hirthi sp. n. (nematoda: metastrongyloidea) from the lung of the dog. | filaroides hirthi sp. n. is smaller than previously described species of the genus filaroides v. beneden, 1858, and differs from f. milksi whitlock, 1956, with which it is most likely to be confused, in having shorter, slightly stouter spicules with a broader proximal knob for attachment of the retractor muscles. | 1975 | 1127563 |
| tryptophanase of fecal flora as a possible factor in the etiology of colon cancer. | twenty-three strains of intestinal anaerobes obtained from two laboratories were examined for indole production from tryptophan. among the 23 isolates tested, three of bacteroides fragilis thetaiotaomicron and one citrobacter sp. were indole positive. the tryptophanase of the indole-positive strains of intestinal anaerobes was inducible by tryptophan and was susceptible to glucose repression. the products of tryptophanase activity were formed in stoichiometric amounts by dialyzed, freshly prepar ... | 1975 | 1127736 |
| [aspergillus insulicola sp. nov]. | a strain of aspergillus sp. is described and proposed as a new species under the name "aspergillus insulicola sp. nov." montemayor & santiago, 1973. this strain was isolated from soil samples taken in "aves island" during a scientific expedition.--aves island, situated at 15 degrees, 40 feet, 42 inches n and 63 degrees, 36 feet, 47 inches w, about 665 km of the coast of venezuela, has very special ecological conditions. due to its smallness: 550 m long and 40 to 120 m across and to its low profi ... | 1975 | 1128647 |
| nematode parasites of puerto rican tree frogs, eleutherodactylus spp: two new species and a proposal of poekilostrongylus gen. nov. (trichostrongylidae). | poekilostrongylus puertoricensis gen.nov., sp.nov. is proposed for nematodes recovered from eleutherodactylus coqui, in puerto rico. the new genus is similar to oswaldocruzia travassos, 1917, but lacks longitudinal ridges on the cuticle. oswaldocruzia lenteixierai viqueras, 1938, is partially redescribed, and a key to the genera of the oswaldocruziinae is given. thelandros (parathelandros) garciai sp.nov. is described from e. antillensis and e. portoricensis. strongyloides sp. was found in e ... | 1975 | 1128929 |
| [synthesis of mucolytic enzymes by thermophilic strains of microorganisms]. | the paper presents data on the accumulation of biomass and the rate of enzyme synthesis on nutrient media of different composition by two thermophilic microorganisms isolated from soil--bacterium sp. 1641 and actinomyces sp. 10. | 1975 | 1129231 |
| different thermostability of l-lactate oxidase from mycobacterium phlei and mycobacterium sp. 279. | | 1975 | 1129380 |
| the effect of the splotch gene on the parameters of the cell cycle in the brain and spinal cord of mouse embryos. | the parameters of the cell cycle were determined in 10-day-old mouse embryos, homozygous for the splotch (sp) gene, by the radioautographic method with h-3-thymidine. normal embryos (+/+)with a similar genetic environment were used as the control. in the brain and spinal cord of sp/sp embryos the mitotic indices were more than twice as high as those in +/+ embryos. the rate of cell proliferation increased identically in both the dorsal and ventral parts of the neural tube. the generation time of ... | 1975 | 1129638 |
| [epizootiologic and economic aspects to bovine hypodermiasis (hypoderma sp.) in megantic county]. | | 1975 | 1131794 |
| activity of three aminoglycosides and two penicillins against four species of gram-negative bacilli. | three aminoglycoside antibiotics and two penicillins were compared for their in vitro activity against 60 isolates of serratia, pseudomonas, proteus mirabilis, and indole-positive proteus sp. testing was done by the agar dilution method using mueller-hinton broth solidified with 1.5% agar. the activity of amikacin, aminodeoxybutirosin, and gentamicin against proteus and pseudomonas, as related to their peak blood levels, showed no significant differences. amikacin was the most active against ser ... | 1975 | 1137369 |
| rhabdochona kisutchi sp. nov. (nematoda: spiruroidea) from coho salmon, oncorhynchus kisutch (walbaum), of western canada. | | 1975 | 1139471 |
| phlebotomus (larroussius) elgonensis sp. nov. (diptera, phlebotomidae), a new sandfly from kenya. | | 1975 | 1140140 |
| bile alcohol metabolism in man. conversion of 5beta-cholestane-3alpha, 7alpha,12alpha, 25-tetrol to cholic acid. | to study the role of c25-hydroxy bile alcohols as precursors of cholic acid, [g-3-h]5beta-cholestane-3alpha,7alpha12alpha,25-tetrol was administered intravenously to two subjects with cerebrotendinous xanthomatosis (ctx) and two normal individuals. one day after pulse labeling, radioactivity was present in the cholic acid isolated from the bile and feces of the subjects with ctx and the bile of the normal individuals. in the two normal subjects, the sp act decay curves of [g-3-h]-cholic acid wer ... | 1975 | 1141434 |
| babesia moshkovskii (schurenkova, 1938) laird and lari, 1957; from the prairie falcon, falco mexicanus, in wyoming; with comments on other parasites found in this host. | babesia moshkovskiiwas found in the blood of 6 of 30 downy (d) prairie falcons and in none of 5 adults (a) from wyoming. intestinal parasites included neodiplostomum (c) spathula (a,3), cladotaenia globifera, (a,1), physaloptera sp., (a,1), and serratospiculum amaculatum, (a,4). ornithodorus concanensis, (d,3), thrassis francisi, (d,1), opisocrostis sp., (d.1), degeeriella rufa, (d,2), simulium (e.) canonicola (d,2), and an unidentified hippoboscid fly, (d,2) were external parasites. it is consi ... | 1975 | 1142557 |
| parasites of the black-tailed jackrabbit in north central colorado. | forty-four black-tailed jackrabbits, lepus californicus melanotis mearns, 1890, were collected near denver from august, 1972, through july, 1973, and amined for parasites. recovered parasites and their infection rates were: eimeria sp. 100%, cittotaenia sp.27%, coenuri of multiceps sp. 57%, cediopsylla inaequalis 14%, hoplopsyllus affinis 9%, haemodipsus setoni 2%, dermacentor andersoni 14%, and haemaphysalis leporis-palustris 25%. | 1975 | 1142561 |
| orientostrongylus ezoensis n. sp. (nematoda: heligmosomidae) from the brown rat, rattus norvegicus berkenhout. | | 1975 | 1142570 |
| some helminths of the red fox, vulpes vulpes schlencki kishida, in hokkaido, japan, with a description of a new trematode, massaliatrema yamashitai n. sp. | | 1975 | 1142572 |
| neutralising antibody to herpesviruses dervied from wildebeest and hartebeest in wild animals in east africa. | the sera of 728 game animals, collected in east africa, were tested for neutralising antibody to a strain (wc11) of wildebeest herpesvirus, which is an important cause of malignant catarrhal fever of cattle. in addition, 290 of these sera were tested for neutralising activity against a closely related herpesvirus (k/30) from hartebeest (alcelaphus sp.). antibody was frequently present in three species of the subfamily alcelaphinae (wildebest, hartebeest and topi) and one of the subfamily hippotr ... | 1975 | 1144919 |
| experimental infection of rattus sabanus and rattus muelleri with subperiodic brugia malayi. | r. sabanus and r. muelleri are very common in the lowland forests of malaysia. in nature they are infected with breinlia sp. and d. ramachandrani. in an attempt to determine whether they are also susceptible to subperiodic b. malayi and thereby being potential reservoirs of infection of the disease, 24 r. muelleri and 17 r. sabanus were experimentally infected with the parasite. results show that although they can support the full development of the parasite, they are poor hosts. this confirms t ... | 1975 | 1145240 |
| babesia sp.: the relationship of stage of development to structure of intra- and extracellular parasites. | the relationship of stage of development to structure in babesia rodhaini and b. microti was studied by freeze-etching, carbon replication, and thin sectioning. the trophozoites of these babesia are surrounded by a single membrane over most of their surfaces, but in some regions of the cytoplasm, membranous structures may parallel the plasmalemma, providing a double membrane. merozoites are produced from trophozoites by budding. an early external indication that a bud will form is the organizati ... | 1975 | 1145729 |
| effect of substance p on various vascular beds in the dog. | using the electromagnetic flowmeter technique, the blood flow in the aorta, carotid, hepatic, superior mesenteric, renal and femoral arteries and portal vein was recorded during continuous i.v. infusion of synthetic substance p (sp) in 8 dogs. systemic and portal blood pressures were recorded. a significant decrease in mean arterial blood pressure was recorded at infusion of sp in the femoral vein at a rate of 2.5 ng x min-1 x kg b.w.-1 or higher. portal venous blood pressure increased. a rapid ... | 1975 | 1146575 |
| isolation of aeromonas sp. atcc 29063, a phenol-producing organism, from fresh haddock. | attempts to isolate phenol-producing organisms from stale haddock fillets failed. several such isolates, however, were readily obtained from fresh haddock and were designated aeromonas sp. phenol was produced from l-tyrosine by these isolates. | 1975 | 1147610 |
| toxigenic fungi in food. | forty-five fungal isolates from moldy supermarket foods were tested for toxicity to brine shrimp, and twenty-two of these isolates were subsequently tested for toxicity to chicken embryos. highly toxigenic fungi were cladosporium sphaerospermum from a bakery product, fusarium oxysporum from carrots, f. solani from cabbage, aspergillus niger and penicillium corylophilum from bread, p. cyclopium and p. herguei from corn meal, p. lanosum from onions,p. steckii from chocolate syrup, penicillium sp. ... | 1975 | 1147614 |
| microbial metabolism of the pyridine ring. metabolic pathways of pyridine biodegradation by soil bacteria. | 1. two bacteria, a bacillus sp. and a nocardia sp. (strain z1) were isolated from soil by enrichment with 0.1 percent (v/v) pyridine and grew rapidly on this compound as sole c, n and energy source. the monohydroxypyridines, tetrahydropyridine, piperidine and some other analogues were not utilized for growth or oxidized by washed suspensions of either bacterium. 2. cell-free extracts were unable to metabolize pyridine even after supplementation with a variety of cofactors or protecting agents. t ... | 1975 | 1147895 |
| substance p and spinal neurones. | when applied by microiontophoresis, substance p (sp) had a strong, but slow and prolonged excitatory action on nearly half the neurones tested in the lumbar spinal cord of cats. motoneuronal antidromic field potentials only occasionally showed a significant effect of sp. cerebral cortical neurones in cats and rats were much less readily excited than spinal interneurones. some unresponsive units showed evidence of a depressant effect of sp. although sp may have a significant function in central a ... | 1975 | 1148929 |
| [hybrid forms of malate dehydrogenas from fusarium oxysporum f. sp. vasinfectum and from cotton]. | | 1975 | 1149608 |
| ocular changes in a horse with gutturomycosis. | recurrent epistaxis and locomotor and visual disturbances leading to blindness in a 7-year-old gelding appeared to have resulted from a spreading fungal granuloma of the guttural pouch. the inflammatory area extended to the intracranial segment of the right optic nerve and to the region adjacent to the optic chiasma. microscopically, changes indicative of multiple foci of ischemic infarction were noticed in the retina, optic nerves, optic chiasma, and optic lobe. the profusely growing fungal ele ... | 1975 | 1150492 |
| posthitis in angora wethers. | posthitis was diagnosed as an economic problem of angora wether goats. affected goats had a scabby or ulcerated prepuce, with a distorted or pinhole preputial orifice. some goats were able to urinate only by excessive straining. cultural examination revealed a corynebacterium sp capable of hydrolyzing urea, similar in all respects to the organism associated with a similar problem with merino wethers in australia. necessary predisposing factors are considered to be a castrated animal consuming a ... | 1975 | 1150508 |
| protothecosis with ocular involvement in a dog. | an 8 1/2-year-old collie dog was referred for evaluation of chronic diarrhea as well as sudden blindness and leukokoria of the right eye. an organism morphologically similar to prototheca sp was recovered from the subretinal fluid and was found at necropsy in the eyes, gastrointestinal tract, lungs, lymph nodes, kidneys, heart, abdominal fat, and omentum. | 1975 | 1150510 |
| the structure of ss-228y, an antibiotic from chainia sp. | | 1975 | 1150526 |
| lipiarmycin, a new antibiotic from actinoplanes. i. description of the producer strain and fermentation studies. | the producer strain of the new antibiotic, lipiarmycin, is described. the colony morphology, the presence of globose sporangia bearing motile spores, the absence of aerial mycelium and the presence of meso-dap in cell wall, ascribe this strain to the genus actinoplanes. the pigmentation and morphological characteristics together with the cultural and physiological features distinguish this strain from all the described actinoplanes species. it is considered to be a new species for which the n ... | 1975 | 1150527 |
| exogenous stages of isospora serini (aragão)and isospora canaria sp. n. in the canary (serinus canarius linnaeus). | exogenous stages of isospora serini (aragao) and isospora canaria sp. n. from the canary (serinus canarius linnaeus) are described. oocytes of i. serini are spheroid and average 19.2 times 20.1 mum, while those of i. canaria are larger, more ellipsoid, and average 21.8 times 24.6 mum. no oocyst residuum is present and the oocyst walls of both species are colorless, transparent, and single layered. sporocysts average 9.4 times 15.2 mum for i. serini and 11.5 times 18.1 mum for i. canaria. the i. ... | 1975 | 1151906 |
| [microbial 3-o-demethylation and 3-o-methylation of estratrienes]. | estradiol-3-methylether, estrone-3-methylether, 17alpha-ethinyl-estradiol-3-methylether and other 17alpha-substituted estratrienes were 3-o-demethylated to free 3-hydroxy compounds by fermentation with corynebacterium sp. a hydroxy groupp in position 6alpha or 6beta prevented the reaction. the opposite reaction, methylation of the 3-hydroxy group of estratrienes, was performed using mycobacterium smegmatis. the substrate specifity of this methylation was low. analogies of these microbial reactio ... | 1975 | 1154945 |
| thermal profile of a bacillus species (atcc 27380) extremely resistant to dry heat. | spores of bacillus sp. atcc 27380 were exposed at intervals to dry-heat temperatures ranging from 125 to 150 c. d-values from 139 to 2.5 h were obtained. | 1975 | 1155936 |
| electrical correlates of mechanical events in the cochlea. | in this paper the main emphasis is laid on presenting an up-to-date description of the relationships between stimulus-related cochlear potentials: cochlear microphonic (cm) and summating potential (sp) and the preceding mechanical events. to this end, cm and sp (both dif and ave sp) magnitude functions, obtained with the differential electrode technique, are shown from various turns of the guinea pig's cochlea as recorded at a constant stapes displacement. the similarity between these curves and ... | 1975 | 1156248 |
| the metabolism of benzoate by moraxella species through anaerobic nitrate respiration. evidence for a reductive pathway. | moraxella sp. isolated from soil grows anaerobically on benzoate by nitrate respiration; nitrate or nitrite are obligatory electron acceptors, being reduced to molecular n2 during the catabolism of the substrate. this bacterium also grows aerobically on benzoate. 2. aerobically, benzoate is metabolized by ortho cleavage of catechol followed by the beta-oxoadipate pathway. 3. cells of moraxella grown anaerobically on benzoate are devoid of ortho and meta cleavage enzymes; cyclohexanecarboxylate a ... | 1975 | 1156389 |
| serum and aortic lipid profiles in spontaneous and cholesterol-induced atherosclerosis in rhesus monkeys. | serum lipids and lipoproteins and various lipid fractions in the aorta were compared in spontaneously-occurring and cholesterol-induced atherosclerosis of rhesus monkeys. a group of 30 normal monkeys were also studied. serum cholesterol, total phospholipid and triglyceride values in spontaneous atherosclerosis were similar to normal, but were significantly elevated in cholesterol-induced atherosclerosis. fractionation of the major phospholipids in animals with spontaneous atherosclerosis showed ... | 1975 | 1156469 |
| isolation, characterization & metabolic activities of a bacillus sp. metabolizing alpha-picolinate. | | 1975 | 1158408 |
| acetylene reduction by pure cultures of rhizobia. | acetylene reduction has been demonstrated in pure cultures of rhizobia. the requirements and conditions necessary for the activity in rhizobium sp. 32h1 are described. the most important factors are a low cell density and a very low oxygen concentration. | 1975 | 1158849 |
| phenylalanine hydroxylase from pseudomonas sp. (atcc 11299a). purification, molecular weight, and influence of tyrosine metabolites on activation and hydroxylation. | phenylalanine hydroxylase from pseudomonas sp. (atcc 11299a) has been purified 25- to 30-fold by a procedure which has been modified from that previously described for this organism (guroff, g., and ito, t. (1965) j. biol. chem. 240, 1175-1184; guroff, g., and rhoads, c. a. (1967) j. biol. chem. 242, 3641-3645). further purification yielded a preparation which was judged to be about 80% pure by sodium dodecyl sulfate-containing and standard analytical polyacrylamide gels, but the activity in thi ... | 1975 | 1158876 |
| letter: antitumor agents. xiii. isolation and absolute configuration of carminomycin i from streptosporangium sp. | | 1975 | 1159252 |
| bacteroidosis. | bacteroides infection frequently complicates surgery, instrumentation, or trauma to the alimentary, upper respiratory, and female genitourinary tracts. bacteroides sp, alone or with other organisms, also may cause infections in the ear, nose, and throat, and other tissues where defeneses are lowered. foul-smelling pus, sinus drainage, material from an abscess or infected traumatic wound, or a blood culture made because of a suspected anaerobic complication should be subjected to anaerobic study ... | 1975 | 1162416 |
| [opisthioglyphe jourdanei n.sp. (trematoda, omphalometridae) in the rodent apodemus sylvaticus (l.)]. | | 1975 | 1163937 |
| a new antibiotic victomycin (xk 49-1-b-2). i. taxonomy and production of the producing organism. | a new antibiotic designated as victomycin which belongs to the phleomycin-bleomycin group antibiotics was isolated from a sporangia-forming actinomycete. from taxonomic studies, the producing strain was classified as streptosporangium violaceochromogenes nov., sp. kawamoto et nara 1974. fermentative production of antibiotic complex xk 49 is described. | 1975 | 1165222 |
| ackertia globulosa sp. n. (nematoda: filarioidea) from rodents in kenya. | ackertia globulosa sp. n. (nematoda: filarioidea) is described from the pulmonary arteries of the striped mouse, lemniscomys striatus striatus (l.), in kenya. distinguishing features are the small size of the adults; the short left spicule and arrangement of the caudal papillae (3 pairs preanal, 4 pairs postanal) of the male; small projecting lobes on the tail of the females; and 10 to 12 refractile globules in the microfilarial sheath. the microfilariae are found in the skin, mostly of the ear. ... | 1975 | 1165543 |
| distribution of oncomelania hupensis in the napu valley of central sulawesi, indonesia. | fifteen colonies of oncomelania hupensis were found near trails transecting the north lore district, napu valley, central sulawesi. habitats were in abandoned rice fields, uncultivated grazing areas for livestock, roadside ditches and, in one case, an actively worked rice field. marsh grasses, ischaemum barbatum and laersia hexandra, were the most common plants in oncomelanid habitats. other mollusks found in association with o. hupensis were radix sp., melanoides sp., gyraulus sp., idiopoma sp. ... | 1975 | 1166348 |
| experimental studies on the migration of anisakis sp. larvae (nematoda: ascaridida) into the flesh of herring, clupea harengus l. | | 1975 | 1167848 |
| a mycosis of the american lobster, homarus americanus, caused by fusarium sp. | | 1975 | 1167883 |
| eyeworm (thelazia sp) in cattle. | | 1975 | 1168308 |
| [effect of phagocytosis in vitro on paracoccidioides brasiliensis]. | peripheral leukocytes from 17 patients with paracoccidioidomycosis were mixed with yeast cells from paracoccidioides brasiliensis and rhodotorula sp. to ascertain their phagocytic and lytic capacities. the role of circulating antibodies in the process was also investigated by the use of autologous serum. the phagocytic capacity of the leukocytes was found to be normal for both types of yeasts. however, in the presence of the patient's serum, the percentage of p. brasiliensis cells ingested was i ... | 1975 | 1168372 |
| regulation of predation by prey density: the protozoan-rhizobium relationship. | tetramitus rostratus and strains of hartmanella, naegleria, and vahlkampfia consumed large numbers of rhizobium meliloti cells in a salt solution, but protozoan multiplication and the bacterial decline stopped when the prey density fell to about 10-6 to 10-7 cells/ml. at higher prey densities, the maximum numbers of hartmanella sp. and naegleria sp. were proportional to the quantity of r. meliloti initially provided to the amoebas. when supplemental rhizobia were supplied to hartmanella sp. or n ... | 1975 | 1168441 |
| seasonal population densities of snails transmitting urinary and intestinal schistosomiasis in lusaka, zambia. | the two molluscan intermediate hosts of s. haematobium schistosomiasis: bulinus africanus and bulinus globosus, were found most commonly in habitats that retained water for a substantial part of the year rather than in temporary rain-filled pools. biomphalaria pfeifferi which transmits s. mansoni were found principally in streams and impoundments like dams but scarce in rivers. in a permanent habitat, the peak density of snails was between the warm, dry months of august and september while in a ... | 1975 | 1169833 |
| scent marking by male golden hamsters (mesocricetus auratus) iii. behavior in a seminatural environment. | 8 malexj golden hamsters were observed two at a time in a plexiglas cage (area roughly 11 sp.ft) subdivided into 47 connected compartments. each pair spent 2--3 weeks in this cage, observations lasting 1--2 weeks. dominance relationships, food hoarding and marking behaviour in this situation are described. | 1975 | 1170699 |
| prevalence of dirofilaria immitis in a stray dog population in western new york. | in a survey in 1973 undertaken to determine the prevalence of dirofilaria immitis in 100 dogs from a public pound in western new york, 2 dogs were found to be positive. microfilariae of dipetalonema sp were not present. hearts and pulmonary blood vessels were dissected for adult worms, and blood samples were examined for microfilariae, using a modified knott technique. although adult heartworms and microfilariae have been recovered from wild foxes, coyotes, and wolves in new york, this is the fi ... | 1975 | 1170797 |
| fractionation, isolation and characterization of nonhistone chromosomal protein from calf thymus. | 1) a method is described for the separation and fractionation of nonhistone chromosomal proteins from salt-urea dissociated calf thymus chromatin. after precipitating dna in the dissociated chromatin solution with lacl3, the chromosomal proteins in the supernatant were fractionated by sp-sephadex c-25 column chromatography using a combination of nacl stepwise and linear gradient elutions. much care was taken to prevent proteolytic degradation of the chromosomal proteins during the preparation. 2 ... | 1975 | 1171860 |
| detection of fungi in blood cultures. | in a retrospective study covering the period january 1972 to june 1974, recovery rates of bacteria and of fungi were generally equivalent with tryptic soy broth, thiol, thioglycolate, and columbia broth media (all under vacuum with carbon dioxide and sodium polyanetholesulfonate). an additional biphasic medium consisting of brain heart infusion broth and a brain heart infusion agar slant, which was inoculated only where fungal sepsis was suspected clinically, yielded significantly higher recover ... | 1975 | 1176606 |
| pseudomonas glathei sp. nov., a new nitrogen-scavening rod isolated from acid lateritic relicts in germany. | | 1975 | 1176650 |
| [arthrobacter siderocapsulatus isolated from lake water]. | two microbial strains have been isolated from lake water. the strains oxidize ferrous compounds and manganese. by the structure of microcolonies and the character of deposited oxides of these metals, the strains are identical to the genus siderocapsa. however, according to their growth cycle and some morpho-physiological characteristics, they were included into the genus arthrobacter (corynebacteriaceae). since these microorganisms differ, by their cultural and morpho-physiological properties, f ... | 1975 | 1177780 |
| a simple and rapid technique for quantitative estimation of helminth eggs in human and animal excreta with special reference to schistosoma sp. | | 1975 | 1179467 |
| trichostrongylus witenbergi sp. nov. nematoda; trichostrongylidae. | | 1975 | 1179875 |
| formation of methyl mercury by bacteria. | twenty-three hg2+-resistant cultures were isolated from sediment of the savannah river in georgia; of these, 14 were gram-negative short rods belonging to the genera escherichia and enterobacter, six were gram-positive cocci (three staphylococcus sp. and three streptococcus sp.) and three were bacillus sp. all the escherichia, enterobacter, and the bacillus strain were more resistant to hg2+ than the strains of staphylococci and streptococci. adaptation using serial dilutions and concentration g ... | 1975 | 1180551 |
| fascioliasis of livestock and snail host for fasciola in the altiplano region of bolivia. | fascioliasis caused by fasciola hepatica was a serious problem for sheep and alpacas in the altiplano region of bolivia. in some provinces close to lake titicaca, the raising of sheep was forced to discontinue, because infection with the fluke made it unprofitable and almost impossible. it was proved that in the altiplano region, two species of freshwater snails, lymnaea viatrix and l. cubensis var., served as intermediate hosts for f. hepatica. in some subtropical areas of bolivia, these snails ... | 1975 | 1182037 |
| the reduction of n-hydroxy-4-acetylaminobiphenyl by the intestinal microflora of the rat. | the role of the intestinal flora in the conversion of n-hydroxy-4-acetyl-aminobiphenyl (n-oh-aabp) to 4-acetylaminobiphenyl has been examined. this reaction, which reverses the metabolic activation of the parent carcinogen, can be demonstrated in cultures of some bacteria indigenous to the intestinal microflora. these include cultures of clostridium sp., clostridium perfringens, peptostreptococcus productus i, and bacteroides fragilis ss. thetaiotaomicron and ss. vulgatus. in contrast, cultures ... | 1975 | 1182690 |
| capillaria infections of pigs: description of c. papuensis sp. n. and the pathology of natural infections. | | 1975 | 1184946 |
| observations on the life cycle of carneophallus brevicaeca (africa et garcia 1935) comb. n. (digenea: microphallidae). | metacercariae of carneophallus brevicaeca (africa et garcia 1935) comb. n. from the muscles of naturally infected shrimps, macrobrachium sp., were force-fed to laboratory-reared 4- to 5-day-old albino rats and day-old chicks. ovigerous worms were recovered from the small intestines of the rats after 1 to 5 days, and gradually disappeared in 10 days. only 1 of 10 chicks was positive 24 hr after exposure. these findings contribute to out knowledge of the mode of transmission, prevention, and contr ... | 1975 | 1185434 |
| insect juvenile hormone mimics against the short-nosed cattle louse, haematopinus eurysternus denny (anoplura), and their effect on warbles of hypoderma sp. latr. (diptera:oestridae). | insect juvenile hormone mimics (ijh) at 0.1 and 0.01% were used as sprays for control of the short-nosed cattle louse, haematopinus eurysternus denny, on 11 heavily infested hereford cows. a significant reduction of lice occurred although eradication was achieved in only one case. severe reactions, apparently associated with the death or failure of complete development of cattle grub larvae, hypoderma sp. latr., were seen in the ijh-treated cows. | 1975 | 1185439 |
| diverse effects of bursectomy on humoral immune responses in the chicken. | chickens bursectomized hormonally or surgically at various ages in embryonic to postembryonic lives were immunized with a mixture of antigens, and the antibodies produced titrated. immune responses to salmonella pullorum (sp), brucella abortus (ba). staphylococcus aureus (staph) and ovalbumin (oa) were more markedly suppressed by the bursal deprivation than those to heterogenous erythrocytes, viruses and such bacteria as pasteurella multocida (pm) and escherichia coli b. the immune response to b ... | 1975 | 1187514 |
| the suitability of several aquatic snails as intermediate hosts for angiostrongylus cantonensis. | sixteen species of aquatic snails of four families were tested by quantitative technique under standardized conditions for their suitability as intermediate hosts for angiostrongylus cantonensis. these species were the planorbid snails biomphalaria glabrata, biomphalaria alexandrina, planorbis planorbis, planorbis intermixtus, bulinus truncatus, bulinus contortus, bulinus africanus, bulinus tropicus and helisoma sp.; the lymnaeid snails lymnaea natalensis, lymnaea tomentosa, lymnaea stagnalis, a ... | 1975 | 1189583 |
| competitive ability of amylolytic bacteria in activated sludge. | shifts were induced into the microbial community of activated sludge by the pulse addition of soluble starch. the subsequent changes of amylolytic and proteolytic microbial populations were recorded. four amylolytic strains were isolated and characterized with regard to carrying capacity, specific surface and growth kinetics. the competitive ability of these strains was studied by means of two-member competition experiments. these experiments were analysed according to the lotka-volterra model a ... | 1975 | 1190951 |
| [pichia lindnerii sp. n., a new methanol assimilating yeast from soil (author's transl)]. | a new undescribed species of yeast could be detected in forest soils in the area of berlin, germany. a description of the new homothallic species including latin diagnosis is given. | 1975 | 1190954 |
| biological apatite vs hydroxyapatite at the atomic level. | known differences in chemical content of biological apatites, specifically the dense (sp.g. greater than 2.95) portion of human tooth enamel (te), and of stoichiometric hydroxyapatite (ohap) imply atomic-scale crystal-structural differences, via major and minor substitutions, which can impart very different characteristics to the two materials. further, some substitutions are shown to produce important effects not predictable from study of pure materials alone. a number of crystal-detail differe ... | 1975 | 1192672 |
| trichuris bradleyi sp. n., a whipworm from octodon degus in chile. | | 1975 | 1195067 |
| public health and the urban gray squirrel: mycology. | from 180 gray squirrels (sciurus c. carolinesis), 942 isolates of fungi representing 19 genera were recovered upon culture of hair-skin scrapings and toenails. of the isolates, 170 represented known human pathogens and 142, squirrel pathogens. a human infection of trichophyton mentagrophytes was derived from handling the squirrels. skin lesions of seven squirrels were attributable to t. mentagrophytes and mucor sp. | 1975 | 1195491 |
| temporary human infection with a phocanema sp. larva. | | 1975 | 1200259 |
| isolation and characterization of actinopolyspora halophila, gen. et sp. nov., an extremely halophilic actinomycete. | an actinomycete, isolated as a contaminant of a culture medium containing 25% nacl, has been classified as actinopolyspora halophila gen. et sp. nov. in the family nocardiaceae. the morphology and biochemical characteristics of this organism distinguish it from other members of the family nocardiaceae and other genera possessing a type iv cell wall. it requires high nacl concentrations for growth and can grow in saturated nacl. the lowest concentration permitting growth in liquid medium is 12%, ... | 1975 | 1201505 |
| db-2073, a new alkylresorcinol antibiotic. i. taxonomy, isolation and characterization. | a new antibiotic, db-2073, was isolated in crystalline form from the fermented broth of pseudomonas sp. b-9004. the compound is a alkylresorcinol antibiotic. the antibiotic melts at 86-88 degrees c. the molecular weight of 236 was determined by mass spectroscopy and the molecular formula was calculated as c15h24o2. the antibiotic has antimicrobial activity against gram-positive bacteria, mycobacteria and fungi. | 1975 | 1206006 |
| db-2073, a new alkylresorcinol antibiotic. ii. the chemical structure of db-2073. | db-2073 (i), an antibiotic produced by pseudomonas sp. b-9004, was obtained as a pure crystals state having a formula of c15h24o2 (me 236). the characterization indicated that i was a resorcinol antibiotic and it was elucidated as 2-n-hexyl-5-n-propylresorcinol. | 1975 | 1206007 |
| biosynthesis of formycin. formation of formycin from formycin b. | 1. in replacement culture with a formycin-producing strain. steptomyces sp. ma406-a-1, exogenously added formycin b was quantitatively converted to formycin and the conversion was inhibited by adding the chromophore moiety of formycin. 2. the in vitro experiments revealed that the novel enzyme(s) catalyzing the formation and formycin from asparate and formycin b, but not from formycin b monophosphate, was present in this organism. the action of the partially purified enzyme(s) was also inhibited ... | 1975 | 1206009 |
| acuariid, capillariid and hymenolepidid parasites of the dasyurid marsupial antechinus stuartii macleay, 1841, from southeastern australia. | stammerinema suffodiax sp. n. is described from the dasyurid marsupial antechinus stuartii. it differs from s. soricis, the only other member of the genus, in lacking lateral body spines, as well as in the spicules and characters of the anterior extremity. as well as redescribing synhimantus australiensis (johnston and mawson, 1952) now collected from the stomach of a. stuartii, a new capillariid, capillaria rickardi from the stomach and two cestodes hymenolepis aklei sp. n. and h. bradleyi sp. ... | 1975 | 1206212 |
| isolation and in vitro characterization of a herpesvirus from ground squirrels (citellus sp). | a viral agent was isolated from ground squirrel primary kidney cultures which presented a spontaneous cell layer alteration. the cultural, morphologic, and physico-chemical characteristics of the agent indicated that it belongs in the herpesvirus group. the isolate presented a narrow in vitro cell host range, growing best in marmoset monkey, owl monkey, rabbit, and hamster kidney cultures and poorly in vero and dog fetal lung cells. the agent is readily released from infected cells, a fact which ... | 1975 | 1207043 |
| [ultrastructure of the mycelium and spores of actinomadura fastidiosa sp. nov]. | a new species of the actinomadura genus, a. fastidiosa sp. nov., is described. the ultrastructure of the vegetative mycelium and spores of this organism was studied. the vegetative cells have a multilayered cell wall, often consisting of five layers with different thickness and electron density. the spores are similar to the vegetative cells by their inner structure but have a thicker wall. | 1975 | 1207505 |
| the atmospheric fungal flora of the athens metropolitan area. | in the research programme of the department of microbiology of the athens university the nature of the mycological flora of the athenian air was studied. the research took place during the calendar year 1971. the open air was sampled twice weekly from two observation stations. the open plate technique was used, petri dishes containing sabourand's agar being exposed for 15 minutes. a total of 180 plates were exposed, and 1714 fungal colonies were isolated; these were subcultured and identified as ... | 1975 | 1207717 |
| five new species of culicoides (diptera: ceratopogonidae) of the nansei islands. | five new species of culicoides of the nansei islands are described: c. sasai sp.n. from amami-oshima is., c. toshiokai sp.n. from ishigaki is., c. iriomotensis sp.n. from iriomote is., c. flavipunctatus sp.n. from yonaguni is., and c. yaeyamaensis sp.n. from the latter three islands. c. toshiokai sp.n. and c. iriomotensis sp.n. are tree-hole breeders, such as c. dendrophilus amosova, which is common in similar habitats extending from okinawa to honshu. | 1975 | 1207780 |
| the effects of apomorphine and 1,3-dimethyl-5-aminoadamantane (dmaa) on ponto-geniculo-occipital (pgo) waves in cats. | the effect of ap and dmaa on the activity of ro4-1284-induced pgo waves in lateral geniculate body (cgl) of cats is bidirectional. higher doses decrease, whereas lower doses increase the intensity of pgo waves. dmaa inhibitis pgo activity in a dose-dependent manner. sp antagonizes ap inhibiting activity but does not affect the action of dmaa. the present study deals with the effect of ap and dmaa, the compounds stimulating central dopamine receptors, on the function of serotonin neurons. | 1975 | 1208229 |
| [trichostrongyloidea nematodes, parasites of microchiroptera]. | 1. a) list of nematodes collected by professor aellen in european microchiroptera. additionnal morphological data to the study of molinostrongylus alatus, m. panousei, m. skrjabini. description of m. aelleni n. sp. b) description of m. richardae n. sp., m. benexae n. sp. et m. bauchoti n. sp., parasites of malagasian molossidae. c) description of m. colleyi n. sp. and m. owyangi n. sp., parasites of malaysian vespertilioninae, and of allintoschius dunni n. sp., discovered in myotis mystacinus fr ... | 1975 | 1211768 |
| [description of plasmodium aegyptensis n. sp., presumed parasite of the muridae arvicanthis noloticus in upper egypt]. | | 1975 | 1211772 |
| in vitro activity and pharmacokinetics in patients of cefamandole, a new cephalsoporin antibiotic. | cefamandole nafate, a new cephalosporin for parenteral use, was evaluated in vitro against 231 recent clinical isolates and in 12 patients. cefamandole had activity equivalent to cefazolin against staphylococcus aureus, escherichia coli, and klebsiella pneumoniae. cefamandole was more active than cephalothin or cefazolin against proteus mirabilis. both cefamandole and cefazolin were as active as cephalothin against s. aureus, were slightly more active against k. pneumoniae, and were considerably ... | 1975 | 1211920 |
| comparison of the antibacterial activities of sisomicin and gentamicin against gram-negative bacteria. | sisomicin was found to be more active on a weight basis than gentamicin against pseudomonas sp., klebsiella sp., and indole-positive proteus. gentamicin was more active than sisomicin against escherichia coli, serratia sp., enterobacter sp., and proteus mirabilis. both antibiotics were very active against methicillin-resistant strains of staphylococcus aureus. | 1975 | 1211927 |
| intermolecular transacylation of phosphatidylethanolamine by a butyrivibrio sp. | 1. washed cells and supernatant from a culture of a butyrivibrio sp. carry out the intermolecular transacylation reaction 2 phosphatidylethanolamine leads to n-acylphosphatidyl-ethanolamine+lysophosphatidylethanolamine. 2. washed cells can catalyse the intramolecular transacylation of n-(acyl)glycerylphosphorylethanolamine to lysophosphatidylethanolamine; the culture supernatant is largely devoid of activity. | 1975 | 1212204 |
| letter: revised structure for an alkaloid fron streptomyces sp. na-337. | | 1975 | 1212762 |
| on two filarioid worms, setaria labiatopapillosa and pseudofilaria giraffae n. sp., from the east african giraffe. | a single, however gravid, female filarioid worm collected from the peritoneal cavity of a giraffe in east africa was identified as setaria labiatopapillosa. further filarioid worms recovered from the subcutaneous tissue and the ligamentum nuchae of the same giraffe were recognized a new species and were described as pseudofilaria giraffae. | 1975 | 1216335 |
| deoxyribonuclease release by incompatible strains of proteus. | using incompatible strains of proteus growing on the same deoxyribonuclease (dnase) agar plate, it was found that dnase is consistently released at the demarcation line. dnase was shown to be released when the swarming organisms were killed. while screening enterobacteriaceae according to the method of schreier (1969) on agar containing deoxyribonucleic acid (dna), it was noticed that when dissimilar strains of proteus met, there was a breakdown of dna. schreier (1969) reported that, of the ente ... | 1975 | 1217270 |
| wimmera rye grass toxicity in western australia. | outbreaks of wimmera rye grass toxicity in the south-west of western australia, and the associated distribution of wimmera rye grass parasitised by anguina sp and corynebacterium sp were investigated. between 1970 and 1974, 58 outbreaks occurred on 26 farms in sheep and cattle grazing pasture, cereal crop, stubble, screenings, or hay containing parasitised wimmera rye grass. morbidity rates up to 77% were observed. clinical signs were characterised by staggering, collapse, periods of convulsions ... | 1975 | 1220656 |
| pyrrolidine metabolism and its regulation in arthrobacter sp. | | 1975 | 1221030 |
| [acarofauna of house dust in barcelona and surrounding cities]. | the study of the house-dust acarofauna has aroused great interest since voorhorst and colls. (41), in 1964, showed the continual presence of dermatophagoides pteronyssinus in this habitat; and considered by these authors to be mainly responsible for the allergenic capacity of housedust. studies carried out by other authors around the world confirm the universal character of this acarus and its prevailing presence in house-dust biocenosis. dermatophagoides pteronyssinus is usually accompanied wit ... | 1975 | 1221825 |
| parasites of the relict fauna of ceylon. vi. more new helminths from amphibians and reptiles, a new host-record and redescription of acanthocephalus serendibensis crusz and mills 1970. | a monogenetic trematode polystoma hakgalense sp. nov. is described from the urinary bladder of the frog rhacophorus cruciger eques, from the hakgala strict natural reserve (1 707 m). the following combination of characters distinguishes it fromm all other species of the genus: the random and reticulate anastomoses of the gut, the entire nature of the base of the opisthaptoral hooks, and the lack of vitellaria in the spaces between the opisthaptoral suckers. acanthocephalus serendibensis is redes ... | 1975 | 1221910 |