Abstract:
:The cultural, morphological, and physiological properties of Thermomonospora fusca (strain 190Th) are described. Its physiological properties show that this species is primarily a carbohydrate-degrading actinomycete which can use a wide range of plant sugars and polymeric carbohydrates as sources of carbon and energy. The culture does not use proteins or amino acids for carbon and energy, or as a nitrogen source. A few organic acids are utilized. Ammonia is the preferred nitrogen source. The culture has trace nutrient requirements which include biotin and an undetermined number of amino acids. These and other physiological characteristics are discussed in relation to the roles that T. fusca carries out as a saprophytic bacterium in nature. Its cultural and morphological properties are discussed in relation to the taxonomic status of this species in the literature.
journal_name
Can J Microbioljournal_title
Canadian journal of microbiologyauthors
Crawford DLdoi
10.1139/m75-267subject
Has Abstractpub_date
1975-11-01 00:00:00pages
1842-8issue
11eissn
0008-4166issn
1480-3275journal_volume
21pub_type
杂志文章abstract::The ability to rapidly identify and quantify a microbial strain in a complex environmental sample has widespread applications in ecology, epidemiology, and industry. In this study, we describe a rapid method to obtain functionally specific genetic markers that can be used in conjunction with standard or real-time poly...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/w05-140
更新日期:2006-05-01 00:00:00
abstract::A bacterium C1010, isolated from the rhizospheres of cucumbers in fields in Korea, degraded the microbial quorum-sensing molecules, hexanoyl homoserine lactone (HHSL), and octadecanoyl homoserine lactone (OHSL). Morphological characteristics and 16S rRNA sequence analysis identified C1010 as Acinetobacter sp. strain C...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/w04-083
更新日期:2004-11-01 00:00:00
abstract::Two bacterial species, Gram-negative Escherichia coli and Gram-positive Bacillus subtilis, were exposed to different auxins to examine possible effects of these substances on bacterial stress tolerance. Bacterial resistance to UV irradiation, heat shock, and streptomycin was assessed with and without previous exposure...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/cjm-2013-0266
更新日期:2013-11-01 00:00:00
abstract::Urease activity was measured using whole cells of both long (swarming) and short (nonswarming) populations of Proteus mirabilis from casein hydrolysate agar (CHA) and broth (CHB) cultures, and from brain heart infusion broth (BHIB) cultures. Urease is a constitutive enzyme for both long and short cells, but its activi...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m87-051
更新日期:1987-04-01 00:00:00
abstract::Asexual sporulation in the fungus Aspergillus nidulans is controlled, in part, by a central regulatory pathway composed of the brlA, abaA, and wetA genes. The coding region of each of these genes was fused, in frame, to the threonine-inducible alcohol dehydrogenase promotor then stably incorporated into the A. nidulan...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m94-164
更新日期:1994-12-01 00:00:00
abstract::Dark spots disease (DSD) is a relatively new coral disease that has become one of the most prevalent afflictions in the Caribbean Sea. To partially characterize bacterial communities associated with DSD, carbon utilization patterns of bacterial strains isolated from the surface mucopolysaccharide layers of healthy and...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/W07-002
更新日期:2007-04-01 00:00:00
abstract::Two strains of Bacillus sphaericus. SSII-1 and 1593, were bioassayed for toxic activity against second-instar larvae of the mosquito Culex pipiens quinquefasciatus. It was found that strain 1593 developed a level of toxicity 3000 times that of strain SSII-1. Although the toxic activity of B. sphaericus SSII-1 was rela...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m79-193
更新日期:1979-11-01 00:00:00
abstract::Pleomorphic deterioration is a process where a fungal isolate loses the ability to produce conidia during repeated subculturing. We have previously isolated strains of the entomopathogenic fungus Metarhizium anisopliae that have irreversibly lost the ability to produce conidia and only produce mycelia when grown on ag...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/w02-074
更新日期:2002-09-01 00:00:00
abstract::Cells of five Bacteroides species were examined following treatment with homologous antisera and staining with ruthenium red. They were enveloped by glycocalyces and these extensive fibrous exopolysaccharide matrices were fully retained as an integral "capsule" by some cells, while other cells showed "capsule" as well...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m84-124
更新日期:1984-06-01 00:00:00
abstract::Bacillus subtilis fmbR-1 was obtained from wild-type B. subtilis fmbR by replacement of the native promoter of the surfactin operon with the inducible promoter Pspac. The recombinant B. subtilis fmbR-1 produced more antibacterial substances than the wild-type strain. The overproducing phenotype was related to the enha...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/w09-044
更新日期:2009-08-01 00:00:00
abstract::Eight murine monoclonal antibodies (MAbs) against staphylococcal enterotoxin D (SED) were obtained by fusion of myeloma cells with mouse spleen cells immunized with SED only or a combination of SED and either enterotoxin A (SEA) or enterotoxin E (SEE). When only SED was used as an immunogen, six MAbs were specific for...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m91-099
更新日期:1991-08-01 00:00:00
abstract::A large pool of antibiotic resistant and auxotrophic mutants was isolated from the Staphylococcus aureus phage group 2 strains UT0002-19 and UT0017 by (1) antibiotic gradient plates, (2) trimethoprim selection, and (3) nitrosoguanidine mutagenesis, which sometimes was coupled by enrichment with either penicillin or me...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m80-161
更新日期:1980-08-01 00:00:00
abstract::The initial cause of the cessation of patulin biosynthesis in submerged cultures of Penicillium urticae was sought. The extrinsic limitations to patulin biosynthesis in fermentor cultures were successfully removed and kinetic profiles of the metabolites of the pathway and of three pathway enzymes were determined over ...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m81-032
更新日期:1981-02-01 00:00:00
abstract::In mycetomes of leafhoppers, Helochara communis, ultrastructural and histochemical studies revealed that spheroplast symbiotes (t-symbiotes) were converted to 'a-symbiotes' (so-called), with apparent loss of DNA--a phenomenon reminiscent of rhizobium-bacteroid conversion in certain legume nodules. Additional t-symbiot...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m75-028
更新日期:1975-02-01 00:00:00
abstract::A virulent strain of pigeon pea wilt pathogen was isolated from wilted pigeon pea plants and was identified as Fusarium oxysporum f. sp. udum. Many bacterial cultures showing antagonism to the pathogen were isolated from various ecological niches. When tested under pot and field conditions, development of fusarial wil...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/w99-109
更新日期:2000-02-01 00:00:00
abstract::This research validates a novel approach for source tracking based on denaturing gradient gel electrophoresis (DGGE) analysis of DNA extracted from Escherichia coli isolates. Escherichia coli from different animal sources and from river samples upstream from, at, and downstream of a combined sewer overflow were subjec...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/W07-083
更新日期:2007-10-01 00:00:00
abstract::Like recF and recQ mutants studied earlier, two other classes of Escherichia coli mutants defective in the RecF conjugal recombination pathway, recJ and recO, were found to be partially resistant to thymineless death. In contrast, a recN mutant, also belonging to the pathway, was indistinguishable from the wild type w...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m88-157
更新日期:1988-07-01 00:00:00
abstract::Dense populations of anaerobic bacteria were found sequentially layered below the thermocline in two eutrophic lakes in southwest Michigan. Phase and electron microscopy of whole cells and thin sections were used to reveal the in situ morphology of the dominant members of the community. The predominant chlorophyll-con...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m75-051
更新日期:1975-03-01 00:00:00
abstract::A study has been undertaken to account for the presence of Thiobacillus acidophilus in iron-grown cultures of Thiobacillus ferrooxidans. Attempts to adapt T. acidophilus to ferrous iron were not successful but the facultative autotroph grew to a limited extent in the spent medium of T. ferrooxidans and was able to gro...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m80-178
更新日期:1980-09-01 00:00:00
abstract::Chitinases isolated from membrane and cytosolic fractions of two mucoraceous fungi, Choanephora cucurbitarum and Phascolomyces articulosus, were investigated. The membrane-bound chitinase was isolated by Bio-Gel P-100 and DEAE Bio-Gel A chromatographic techniques. On SDS-PAGE the chitinase from both fungi migrated as ...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m92-056
更新日期:1992-04-01 00:00:00
abstract::Aphanomyces astaci secondary cyst walls and walls of germinating spores were prepared by alkaline hydrolysis, autolysis, sonication, and enzymic degradation and were examined by shadow-casting and negative-staining techniques. The cyst wall consists of randomly oriented fibrils, about 3 nm in diameter. The fibrils are...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m78-210
更新日期:1978-11-01 00:00:00
abstract::Neisseria gonorrhoeae strains can be grouped or differentiated (auxotyped) by their requirements for none, or any one or more of proline, uracil, hypoxanthine, and citrulline or ornithine. Most strains were readily assessed because they responded with growth or no growth on each defined auxanographic medium. Other str...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m83-204
更新日期:1983-10-01 00:00:00
abstract::Epiphytic tracer bacteris (a Pseudomonas sp. and an Arthrobacter sp.) from soybean buds were introduced into open flowers of greenhouse-grown soybean plants. Of the 177 resulting pods cultured after surface disinfection, tracers were recovered from within 24. Seed from two of these pods also carried tracers. ...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m76-064
更新日期:1976-03-01 00:00:00
abstract::The natural reservoirs and biological characteristics of pathogenic populations of both subspecies of Photobacterium damselae in aquatic habitants remain unclear because of difficulties in obtaining pathogenic strains from the environment. In the present study, we assessed the occurrence of Photobacterium damselae sub...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/w11-021
更新日期:2011-05-01 00:00:00
abstract::The ruminal microbiota plays major roles in feed digestion. The composition and fermentation of the bacterial communities in 3 important ruminant species have been studied previously. Here, we extended this research to the effect of concentrate-to-forage ratios on ruminal bacterial communities in Tarim red deer (Cervu...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/cjm-2018-0046
更新日期:2018-07-01 00:00:00
abstract::Cultured alveolar and peritoneal macrophages obtained from normal and immunized rabbits were used to induce wall-defective microbial variants of Pseudomonas pseudomallei. Variants were iduced only by normal alveolar macrophages. The variants reverted to typical Pseudomonas forms either spontaneously or upon transfer i...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m75-303
更新日期:1975-12-01 00:00:00
abstract::We report some characteristics of a ruminal bacterium (strain NPOH1) that metabolizes 3-nitropropanol, the toxic principle of various milk vetchs that are distributed worldwide. The gram-positive bacterium was nonmotile and did not produce spores. Growth of strain NPOH1 occurred under anaerobic conditions and was supp...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m97-088
更新日期:1997-07-01 00:00:00
abstract::The induction of antituberculous immunity by crude ribosomal fractions isolated from Mycobacterium tuberculosis strain H37Ra, M. bovis strain BCG, and M. smegmatis was studied in CF-1 mice. Levels of antituberculous immunity similar to that induced by live BCG were induced by the BCG and H37Ra ribosomal fractions wher...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m83-032
更新日期:1983-02-01 00:00:00
abstract::A bacteriocin, streptococcin sal-P, was isolated by freeze-thaw elution from cultures of Streptococcus salivarius strain P grown on tryptic soy agar plus 1% neopeptone. The inhibitor could also be extracted with either 7 M urea of 1 M NaCl from cells grown on this medium, but little activity was recovered from cells g...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/m81-144
更新日期:1981-09-01 00:00:00
abstract::Plant-microbial interactions have been well studied because of the ecological importance of such relationships in aquatic systems. However, general knowledge regarding the composition of these biofilm communities is still evolving, partly as a result of several confounding factors that are attributable to plant host p...
journal_title:Canadian journal of microbiology
pub_type: 杂志文章
doi:10.1139/w2012-053
更新日期:2012-06-01 00:00:00