| recent developments in our knowledge of steroids. | | 2012 | 3306737 |
| constructing a response to responses. | | 2009 | 2715717 |
| [a pair of spectacles to improve the information from the x-ray photograph and from the radioscopy on the television screen (author's transl)]. | here a pair of spectacles is introduced which, in screening the lateral incidence of light and in variably cross fading the risual point eliminates the contrast-diminishing intraocular proceeding stray light. it helps to achieve an improvement of the contrast by considering the x-ray photograph or television image. the result is that details are easier perceptible. | 1998 | 124690 |
| intra-arterial injection of adriamycin/mitomycin c lipiodol suspension in liver metastases. | intra-arterial injection of a suspension of adriamycin and/or mitomycin c in lipiodol was performed in 17 patients with hepatic metastases, which at angiography were poorly vascularized. accumulation of lipiodol in the tumors was demonstrated at computed tomography (ct) in 15 of 17 patients examined within one week. follow-up with ct showed that lipiodol remained in the tumor during the first month in 94 per cent, after 2 months in 31 per cent, and after 3 months in 17 per cent. in the non-tumor ... | 2010 | 2820453 |
| [the leukemic child and its family. role of the psychologist]. | | 2011 | 3187862 |
| radiology department management system: technologists' costs. | | 2014 | 3961195 |
| [clinico-pathogenetic grouping of postvaccinal reactions and complications following smallpox vaccination]. | | 2015 | 4402961 |
| hypertension and renal disease. 1st verona seminar on nephrology. verona, may 1-3, 1986. proceedings. | | 2013 | 3568674 |
| the patient history: an outline for collection. | | 1969 | 249902 |
| effects of lsd-25 on avoidance behavior and locomotor activity in mice. | c57bl/6(c57) mice were tested in a shuttle box under the influence of lsd-25 in two sets of experiments. in the first set, the pretrial administrations of lsd (0.05, 0.1, and 0.2 mg/kg) were followed by dose-related performance improvements. in the second set, the posttrial administration of lsd (0.2 mg/kg) immediately after each experimental session improved the performances of the mice. no effect was evident when the hallucinogen was injected 2 h after training, thus showing that lsd improved ... | 2000 | 111278 |
| surgical treatment of bronchiectasis in kartagener's syndrome. | a case of kartagener's syndrome in which bilateral partial pulmonary resection was performed is reported. the literature concerning the surgical treatment of severe bronchiectasis is reviewed. | 2002 | 1084204 |
| mechanoreception by the endothelium: mediators and mechanisms of pressure- and flow-induced vascular responses. | mechanoreception, a widely distributed sensory modality, has been shown to be present in certain blood vessels. changes in physical forces, like sudden increase of transmural pressure or flow velocity (shear stress), trigger changes in blood vessel diameter; the former reduces it while the latter increases vessel caliber. these changes in diameter, which are the result of contraction and relaxation of vascular smooth muscle in the blood vessel media, can serve the purpose of physiological regula ... | 2006 | 2242445 |
| [selective conservatism in the management of abdominal stab wounds]. | two hundred and two consecutive patients with abdominal stab wounds in a 14-year period were analysed as follows: (1) the patients were classified into 4 categories; type i (no peritoneal penetration) 12%, type iia (peritoneal penetration, no organ injury) plus type iib (organ injury, no repair required) 26% and type iii (organ injury, repair required) 62%. injuries caused by kitchen-knife or violence, wounds in the lower chest or epigastrium, and harakiri-injuries (japanese traditional method o ... | 2008 | 2233667 |
| influence of a single dose of captopril on pulmonary haemodynamics and right ventricular function in mitral stenosis with pulmonary hypertension. | the response of the pulmonary circulation to captopril 75 mg has been examined in 21 patients with pulmonary hypertension secondary to mitral stenosis. the effects of captopril were measured every 15 min up to 2 h by recording pressures in the pulmonary and systemic circulations and by measuring cardiac output. pulmonary artery systolic pressure fell significantly by 21.6% (from means = 54.6 to 42.8 mm hg), pulmonary artery diastolic pressure by 23.3% (from 26.2 to 20.1 mm hg), and the pulmonary ... | 2011 | 3069475 |
| [cholesterol content in pneumonia in newborn infants and young children]. | | 2015 | 4407230 |
| [analysis of the seasonal pattern of blood lead levels in relation to different concentrations of atmospheric lead]. | blood lead levels have been analysed in a group of people resident in turin in relation to different concentrations of lead in the atmosphere. blood samples were taken in three periods of the year corresponding to seasonal maximums of pollution. blood lead levels showed a marked decrease in the summer when the lowest concentrations are observed but the following autum sample did not show an increase. it is therefore considered likely that blood values would have been found to be increased if the ... | 2000 | 92298 |
| [clinical staging of malignant lymphomas and its importance in the programming of the treatment and prognosis]. | | 2000 | 101976 |
| nasal mucosal blood flow after intranasal allergen challenge. | the nasal mucosal blood flow in patients with allergic rhinitis was determined at nasal allergen challenges with the 133xenon washout method. determinations were made in 12 subjects before and 15 minutes after challenge with diluent and increasing doses of allergen. the time course was followed in eight subjects by means of repeated measurements during 1 hour after a single allergen dose. finally, the blood flow was measured after unilateral allergen challenge in the contralateral nasal cavity. ... | 2012 | 3346485 |
| co-existent hypoadrenalism in an asymptomatic patient with multiple trauma. | | 2012 | 3362086 |
| [manifestations of aids under laboratory detection]. | | 2011 | 3133095 |
| nursing education--curriculum content. | | 2015 | 4497623 |
| the function of the follicular epithelium in vitellogenic oncopeltus follicles. | autoradiographic and electrophoretic methods that have detected an endogenously synthesized protein yolk component in hyalophora cecropia follicles failed to reveal such a protein in oncopeltus fasciatus. similarly, neither sulfate nor glucosamine was incorporated into the intercellular matrix of vitellogenic follicles, though both label these regions intensely in hyalophora. while both insects produce yolk from hemolymph vitellogenin, their follicles thus appear to support the process by very d ... | 2004 | 524343 |
| advances in understanding cell interactions in tissue resorption. relevance to the pathogenesis of periodontal diseases and a new hypothesis. | much of the connective tissue degradation that takes place in periodontal diseases is mediated by proteolytic enzymes. previous studies have focused on the action of proteinases released by invading polymorphonuclear neutrophils and macrophages, and bacterial enzymes. in view of recent work establishing that resident connective tissue cells can be induced by cytokines to bring about the destruction of their own matrix, we propose a new hypothesis. in this we envisage that a critical step is the ... | 2010 | 3091790 |
| the impact of smoking on mechanical properties of the lungs in idiopathic pulmonary fibrosis and sarcoidosis. | interstitial lung disease is characterized by interstitial inflammatory cell infiltration and fibrosis, a reduction in lung volumes, an increase in lung elastic recoil, and rapid shallow respirations. however, the alterations in lung volumes and elastic recoil as well as in breathing pattern are extremely variable, and the values are normal in a number of patients. in order to determine whether the effects of smoking could account for the variability in lung volumes and breathing pattern, we eva ... | 2005 | 1952439 |
| [echography or urography in prostatic adenoma pathology]. | | 2006 | 2426805 |
| restoration of immune competence with cryopreserved thymus. | | 2014 | 3925603 |
| [uniformity and standardization of methods is the way to increased quality in clinical laboratory studies]. | | 1999 | 94135 |
| characterization of chromatin and histones in wounded pea seedlings [proceedings]. | | 1999 | 93899 |
| [adenomectomy and herniotomy at the same time]. | | 1999 | 93664 |
| how useful are supplementary feeding programs? | | 2000 | 101913 |
| serum-sickness-like syndrome with membranous glomerulopathy in patient on captopril. | | 2001 | 93204 |
| mechanism of the interaction of desipramine with (na+, k+) atpase and p-nitrophenylphosphatase [proceedings]. | | 2001 | 92937 |
| anatomical characteristics of the oxytalan fibre meshwork. | | 2001 | 95162 |
| massive allografts in salvage revisions of failed total knee arthroplasties. | ten patients with failed total knee arthroplasties and severe bone loss were treated with massive whole distal femur and proximal tibial allografts in combination with prosthetic implants. fourteen allografts were inserted either as invaginated or segmental grafts and were rigidly fixed to the host bone. clinically and roentgenographically, 12 of 14 grafts (86%) seemed to have united to the host bone. the average range of motion was 92 degrees. five patients developed complications; two of these ... | 2001 | 2225617 |
| primary in vitro cytotoxic response of nzb spleen cells to qa-1b-associated antigenic determinants. | we have shown that cytotoxic lymphocytes generated in primary cultures of nzb spleen cells with h-2-identical balb/c or b10.d2 stimulator cells exhibit specificity for qa-1b-associated antigenic determinants. this unidirectional cytotoxicity constitutes the initial demonstration of a primary in vitro response to antigens of the qa-tla system. such responses do not require h-2 homology between effector and target cells in the assay system. in fact, when h-2dd homologous target cells were employed ... | 2001 | 92525 |
| pancreatitis and choledochal cyst with gallstones: an unusual case. | | 2002 | 123899 |
| [combined chylothorax and chylous ascites in cirrhosis]. | | 2004 | 520918 |
| hydrocelectomy. evaluation of technique. | a quick, simple, safe, and efficient means of hydrocelectomy is presented. the technique consists of extruding and fixing the testicle into a scrotal pouch. twenty hydroceles were repaired without complication or recurrence. | 2005 | 1265943 |
| linkage studies between hl-a and gpt polymorphisms and other genetic markers. | the phenotypes of 56 families with 126 children from the hamburg area as well as gene frequencies and segregation of the genetic markers gpt, ap, ada, ak, pgm1, pgm3, 6-pgd, che, c3, gc, tf, hp and cp were studied. in regard to linkage, the informative families were correlated to the results of hl-a and gpt typing. the linkage was tested according to the sequential test by morton (1955). see article. for other gene loci, linkage to the hl-a or gpt system could not be proved. but the positive lod ... | 2005 | 1251571 |
| [problem of clinico-roentgenological diagnosis of acute pneumonia in infants in their first few months of life]. | studies into the problems of diagnosing pneumonia in children of the first months of life carried out for many years have shown that pneumonia may be referred to the diseases with indefinite diagnostic criteria. in view of this fact the x-raying of the chest should be regarded as a method of varifying the diagnosis of pneumonia. the roentgenographic findings should be estimated bearing in mind the presence or lack of a syndrome such as bronchial obstruction and the epidemiological anamnesis data ... | 2007 | 2075041 |
| acute vincristine neurotoxicity. | | 2007 | 2859431 |
| the paraphilias and depo-provera: some medical, ethical and legal considerations. | paraphilic disorders are axis i psychiatric afflictions. they are not acquired by volitional decision, but are manifested by the association of erotic arousal with unacceptable behavior or stimulae (e.g., children). because paraphilic behavior occurs in the service of a biological drive, use of medication to suppress sexual appetite may constitute an adjunct in treatment. medroxyprogesterone can be used to decrease unacceptable erotic urges and fantasies, with the intent of increasing self-contr ... | 2008 | 2529006 |
| arm exercise training in the rehabilitation of patients with impaired ventricular function and heart failure. | although exercise training is an accepted part of comprehensive coronary care programs in patients with coronary artery disease, it still remains to be demonstrated whether or not exercise training should also be applied to patients with impaired ventricular function. circumstantial evidence exists that patients with impaired ventricular function may eventually benefit from an individually adapted exercise training program provided that contraindications for acceptance of cardiac patients to suc ... | 2008 | 2397489 |
| synthesis and investigation of effects of 2-[4- [[(arylamino)carbonyl]amino]phenoxy]-2-methylpropionic acids on the affinity of hemoglobin for oxygen: structure-activity relationships. | a series of 2-[4-[[[(substituted-phenyl)amino]carbonyl]amino]phenoxy]-2- methylpropionic acids and other substituted phenoxyacetic acids were synthesized and tested for their ability to reduce the affinity of hemoglobin for oxygen. 2-[4-[[[(3,4,5-trichlorophenyl)amino]carbonyl]amino]phenoxy]-2- methylpropionic acid was found to be the most potent compound known. structure-activity relationships of the compounds synthesized are discussed. | 2009 | 2795607 |
| dna flow analysis of soft tissue tumors. | the cellular dna content of 81 soft tissue tumors was determined by means of flow cytometry and related to conventional histologic classification of the same tumors. comparison of histologic and cytometric analysis showed that all 23 benign tumors were diploid (normal dna content), whereas the malignant group included both diploid and aneuploid (abnormal dna content) lesions. there appeared to be a relationship between tumor grade and ploidy level in that 92% of grade ii, 28% of grade iii, and 1 ... | 2010 | 3024798 |
| dna flow analysis of soft tissue tumors. | the cellular dna content of 81 soft tissue tumors was determined by means of flow cytometry and related to conventional histologic classification of the same tumors. comparison of histologic and cytometric analysis showed that all 23 benign tumors were diploid (normal dna content), whereas the malignant group included both diploid and aneuploid (abnormal dna content) lesions. there appeared to be a relationship between tumor grade and ploidy level in that 92% of grade ii, 28% of grade iii, and 1 ... | 2010 | 3024798 |
| cocktail stick injuries: delayed diagnosis of a retained foreign body. | | 2010 | 2891400 |
| simultaneous endometrioid carcinoma of the uterine corpus and ovary. | the carcinoma with simultaneous involvement of the endometrium and the ovary is an uncommon but well recognized event. the determination of clinical stage depends on which of the two sites is considered to be the primary. combined involvement may occasionally represent independent primary neoplasm. a review of all cases with a tissue diagnosis of endometrioid ovarian carcinoma and concomitant endometrial carcinoma was undertaken to identify those cases which possibly had independent primaries. t ... | 2010 | 2819567 |
| malignant schwannoma of the maxilla in a patient without neurofibromatosis. | | 2011 | 3121490 |
| quality assurance in the health care system in the netherlands. | thirteen years of activities in the field of quality assurance in the health care field in the netherlands bring to life the many ups and some downs in this intriguing endeavour. back in 1974, quality assurance was in the minds of few individuals and in the hands of nobody. this has changed dramatically: not only are there now functioning programmes carried out by knowledgeable and dedicated health care providers, there is legislation that suits the convenience of quality assurance, and a firm d ... | 2012 | 3566639 |
| [double-blind study on the effectiveness of potassium iodide in the treatment of senile cataract]. | | 2012 | 4093097 |
| [asphyxia in newborn infants--zinc treatment during pregnancy. 1-year study in söderhamm's health district]. | | 2012 | 3641832 |
| [development of dental caries in children in relation to the working conditions of their mothers]. | | 2013 | 3623130 |
| [bilateral pheochromocytoma of the adrenal glands in a girl with hippel-lindau disease]. | | 2013 | 3615059 |
| [adenolymphoma of the parotid gland]. | | 2014 | 4325113 |
| [adenolymphoma of the parotid gland]. | | 2014 | 4325113 |
| detection of renovascular hypertension. | | 2014 | 4159211 |
| [pathological skin reactions due to sunlight]. | | 2014 | 5047060 |
| role of behavior genetics in psychology. | | 2015 | 4584990 |
| neuroblastoma cells in culture: 32p-phosphoprotein labeling and protein kinase activity. | | 2015 | 4621071 |
| [ultrasonographic patterns of mitral valve insufficiency]. | | 2015 | 4427408 |
| [place of cromolyn (lomudal, intal, aarane) in the treatment-plan for bronchial asthma]. | | 2015 | 4372742 |
| excessive atp degradation during hemodialysis against sodium acetate. | as the initial step in examining the metabolic basis for acetate intolerance, we have tested the hypothesis that excessive adenosine triphosphate (atp) degradation occurs during hemodialysis against acetate dialysate (compared with the degree of degradation occurring during dialysis against bicarbonate dialysate). seven patients undergoing long-term dialysis were infused with carbon 14--labeled 8-adenine, and their response to dialysis against acetate was compared with their response to dialysis ... | 2011 | 3193024 |
| achievement of atomic resolution electron microscopy. | atomic-level details are easily resolved in the latest generation of intermediate voltage electron microscopes, but structural information on the same scale can only be extracted under certain specific conditions. some understanding of imaging theory, as well as an awareness of correct operating conditions, is required for reliable image interpretation. several representative examples are chosen to illustrate the possibilities for atomic-resolution imaging of materials, and perspectives and outl ... | 2009 | 2754497 |
| joint hypermobility--asset or liability? a study of joint mobility in ballet dancers. | | 2016 | 5016858 |
| automatic gram staining by a linear conveyor system. | | 1999 | 94062 |
| progress in molecular sims (secondary ion mass spectrometry). | | 2013 | 3592231 |
| assessment of nerve damage in the feet of long-distance runners. | to answer the question, "does long-distance running injure nerves of the feet and legs?" we invited the 25 members of the rochester track club who had run the greatest number of miles in their lifetime to participate in a study that involved neurologic examination, determination of detection thresholds of touch-pressure, vibratory, and cooling sensations of the foot, and evaluation of nerve conduction. none of the runners had clinical symptoms or signs of peripheral neuropathy. most of them repo ... | 2010 | 3035293 |
| [results of choledoco-duodenostomy for common bile duct lithiasis]. | one hundred and sixty-seven choledoco-duodenostomies for lithiasis of the common bile duct (cbd) were performed. the mean age of the patients was 74 +/- 1 years. sixty p. 100 of the patients presented with at least one operative risk factor, usually related to their general condition. an anastomosis of at least 20 mm in diameter was possible as the diameter of the cbc was always larger than 10 mm. immediate postoperative complications (within one month) were observed in 29 cases (17 p. 100). in ... | 2013 | 3721111 |
| hdl-cholesterol levels in the multiple risk factor intervention trial (mrfit) by the mrfit research group 1,2. | preliminary data from the multiple risk factor intervention trial (mrfit) have been examined for evidence that the program has an influence on plasma hdl-cholesterol. the overall mean level of this lipoprotein in the initial cohort of 1,084 men was not altered by two years of participation in this risk factor reduction project. however, changes did occur, both upwards and downwards, in some individuals. there were significant negative associations between change in hdl-cholesterol and changes in ... | 1979 | 218069 |
| [tremaril in the treatment of parkinsonism]. | | 1986 | 1153061 |
| [air embolism of cerebral vessels following self mutilation treated with hyperbaric air in a high-pressure chamber]. | | 1986 | 1153060 |
| editorial: assessment of left ventricular function in chronic obstructive pulmonary disease. | | 1990 | 1149542 |
| demonstration of ebstein's anomaly by simultaneous catheter-tip localization of the tricuspid valve visualization: a new method. | the diagnosis of ebstein's anomaly has traditionally been made by angiocardiography and confirmed by simultaneous intracardiac electrocardiographic and pressure recordings. these techniques may result in false positive or negative tests. a new method is proposed, whereby the right coronary artery is used an an angiographic marker for the tricuspid annulus and a pressure catheter simultaneously marks the position of the tricuspid valve. in the right anterior oblique position the tip of the pressu ... | 1990 | 1149541 |
| improving physical therapy students' clinical problem-solving skills: an analytical questioning model. | the purpose of this study was to assess the effectiveness of a model for teaching problem-solving skills to first-year physical therapy students using the watson-glaser critical thinking appraisal (cta) and participant feedback. we used a pretest-posttest control group design. subjects were 31 first-year physical therapy students divided into a control group (n = 15) and an experimental group (n = 16). students in the experimental group used the problem-solving model during a four-week clerkship ... | 2005 | 2727067 |
| [chemotherapy in hemodialyzed patients]. | | 2005 | 1808351 |
| improving the preregistration period. | | 2006 | 1393214 |
| [treatment of tissue loss in surgery of the scalp. an analysis of 89 patients brought to our attention]. | the recent computerisation of operating theatre and forensic files facilitated a retrospective study of 136 plastic surgery operations performed on 89 patients presenting traumatic or surgical scalp tissue loss in the san camillo hospital, rome between 1/1/1980 and 31/12/1987. the study provided some useful data for the planning of the surgical approach to this delicate anatomical area. where the dimensions of the defect and the trophic condition of the local tissues permitted, the best function ... | 2007 | 2771112 |
| [treatment of tissue loss in surgery of the scalp. an analysis of 89 patients brought to our attention]. | the recent computerisation of operating theatre and forensic files facilitated a retrospective study of 136 plastic surgery operations performed on 89 patients presenting traumatic or surgical scalp tissue loss in the san camillo hospital, rome between 1/1/1980 and 31/12/1987. the study provided some useful data for the planning of the surgical approach to this delicate anatomical area. where the dimensions of the defect and the trophic condition of the local tissues permitted, the best function ... | 2007 | 2771112 |
| conceptual approaches to avian navigation systems. | the general basis of migratory orientation in birds is most probably an endogenous time-and-direction programme. directions are selected with respect to celestial as well as geomagnetic clues. these clues appear to be integrated within a system that profits from the special advantages of either kind of environmental signal, and thereby can cope with their limitations. using these clues, and following a genetically determined intended direction (or sequence of directions) over a genetically deter ... | 2007 | 1838512 |
| [richter's syndrome with testicular localization]. | based on a case showing testicular localisation of sarcomatous degeneration in the context of the progression of chronic lymphoid leukemia (richter's syndrome), the authors discuss the classification of intrascrotal lymphomatous conditions. | 2008 | 2607173 |
| iga nephritis associated with plasminogen abnormalities. | two patients with iga nephritis associated with hereditary plasminogen abnormalities are described. one patient had dysplasminogenemia and the other had plasminogen deficiency. in both patients, renal biopsy specimens showed significant arteriosclerotic changes in addition to mesangial proliferation. increased fibrinopeptide a concentration in their plasma suggested increased thrombin generation. in one patient, no systemic arteriosclerosis coexisted, judging from normal optic fundi and the abse ... | 2008 | 2311307 |
| evidence for compartmentation of high energy phosphagens in smooth muscle. | despite the lack of a clear understanding of the exact mechanisms involved, our results show that atp and pcr in the taenia do not distribute in a manner predicted by the equilibrium of the lohmann reaction in a single uniform compartment. our results may be of significance to the understanding of regulation of metabolism and its coordination with the various atp-dependent cellular functions. this may be particularly relevant to smooth muscle in which oxidative and glycolytic components of metab ... | 2009 | 2678158 |
| [diagnosis and course of synovial sarcoma. comparison of x-ray diagnosis and bone scintigraphy]. | the unfavourable prognosis of malignant synoviomas makes it essential to arrive at an early diagnosis. the early clinical symptoms and radiological appearances may be minimal and sometimes absent. it is therefore advisable to obtain bone scintigrams with perfusion and early images as well as the radiographs. the local extent of the tumour can be evaluated by ultrasound and ct. angiography is required only if the relationship to the vessels cannot otherwise be ascertained, or if intra-arterial th ... | 2010 | 3008260 |
| acute myocardial infarction following a gila monster (heloderma suspectum cinctum) bite. | | 2011 | 3176464 |
| mechanisms and management of respiratory failure. | management of respiratory failure is a complex endeavor that requires consideration of diverse etiologies and pathophysiology. future investigation may lead to specific pharmacologic interventions of greater efficacy. in the meantime, careful attention to basic tenets of pathophysiology, supportive care, and reversal of underlying pulmonary insults is the foundation of successful therapy. | 2011 | 3089676 |
| optimistic bias in the assessment of sensitivity and specificity. | | 2012 | 3531219 |
| optimistic bias in the assessment of sensitivity and specificity. | | 2012 | 3531219 |
| gastric cancer in nigeria. | | 2012 | 3341082 |
| the prevalence of mental retardation. | | 2012 | 3315717 |
| [acute pseudo-obstruction of the colon (ogilvie's syndrome). internal medicine aspects]. | four patients with acute colonic pseudo-obstruction are described. the clinical and radiological picture is suggestive of colonic obstruction, without detectable organic obstruction. the syndrome usually occurs after surgery or trauma, or is related to severe preexisting systemic illness; its association with alcohol intake is frequently overlooked. the most severe complication is cecal rupture, which may occur at a diameter of 12 cm or more and which has a lethality rate of 40%. the primary man ... | 2013 | 3839093 |
| measles experience in durban. | | 2013 | 3603282 |
| [microangiopathic anemia and intravascular coagulation; association with muco-cancer and treatment with heparin]. | | 2014 | 4335013 |
| bicuculline and inhibition of crayfish stretch receptor neurons. | | 2014 | 4248817 |
| [the flavonic glycosides of galium verum l. (rubiaceae)]. | | 2015 | 4624802 |
| [acute poisoning by trichloroethylene. clinical and paraclinical manifestations, surveillance of product elimination]. | | 2016 | 4794192 |
| some aspects of the regulation and transport in enzyme membrane models. | | 2016 | 4772299 |
| presence and analysis of plasmids in human and animal associated arcobacter species. | in this study, we report the screening of four arcobacter species for the presence of small and large plasmids. plasmids were present in 9.9% of the 273 examined strains. one arcobacter cryaerophilus and four arcobacter butzleri plasmids were selected for further sequencing. the size of three small plasmids isolated from a. butzleri and the one from a. cryaerophilus strains ranged between 4.8 and 5.1 kb, and the size of the large plasmid, isolated from a. butzleri, was 27.4 kbp. the g+c content ... | 2014 | 24465575 |
| identification of a broad family of lipid a late acyltransferases with non-canonical substrate specificity. | most gram-negative organisms produce lipopolysaccharide (lps), a complex macromolecule anchored to the bacterial membrane by the lipid a moiety. lipid a is synthesized via the raetz pathway, a conserved nine-step enzymatic process first characterized in escherichia coli. the epsilonproteobacterium helicobacter pylori uses the raetz pathway to synthesize lipid a; however, only eight of nine enzymes in the pathway have been identified in this organism. here, we identify the missing acyltransferase ... | 2014 | 24372821 |
| nitrate and inhibition of ruminal methanogenesis: microbial ecology, obstacles, and opportunities for lowering methane emissions from ruminant livestock. | ruminal methane production is among the main targets for greenhouse gas (ghg) mitigation for the animal agriculture industry. many compounds have been evaluated for their efficacy to suppress enteric methane production by ruminal microorganisms. of these, nitrate as an alternative hydrogen sink has been among the most promising, but it suffers from variability in efficacy for reasons that are not understood. the accumulation of nitrite, which is poisonous when absorbed into the animal's circulat ... | 2016 | 26904008 |