Type III Secretion System of Bradyrhizobium sp. SUTN9-2 Obstructs Symbiosis with Lotus spp.

abstract：:Over the past few decades, anammox bacteria have been recognized as key players that contribute significantly to the release of large amounts of nitrogen in the global marine nitrogen cycle. In the present study, the diversity, community composition, and abundance of anammox bacteria from the sediments of four diverse...

journal_title：Microbes and environments

authors： Shehzad A,Liu J,Yu M,Qismat S,Liu J,Zhang XH

更新日期：2016-06-25 00:00:00

abstract：:The simultaneous extraction of plant organelle (mitochondria and plastid) genes during the DNA extraction step is a major limitation in investigating the community structures of bacteria associated with plants because organelle SSU rRNA genes are easily amplified by PCR using primer sets that are specific to bacteria....

journal_title：Microbes and environments

authors： Ikenaga M,Sakai M

更新日期：2014-09-17 00:00:00

abstract：:Members of the Marseilleviridae family are large DNA viruses with icosahedral particle structures that infect Acanthamoeba cells. The first Marseillevirus to be discovered was isolated in 2009. Since then, several other members of the Marseilleviridae family have been reported, including Lausannevirus, Senegalvirus, C...

journal_title：Microbes and environments

authors： Takemura M

更新日期：2016-12-23 00:00:00

abstract：:Chitin amendment is an agricultural management strategy for controlling soil-borne plant disease. We previously reported an exponential decrease in chitin added to incubated upland soil. We herein investigated the transition of the bacterial community structure in chitin-degrading soil samples over time and the charac...

journal_title：Microbes and environments

authors： Iwasaki Y,Ichino T,Saito A

更新日期：2020-01-01 00:00:00

abstract：:The aim of the study was to survey cultivable heterotrophic bacteria from sea ice samples collected from Peter the Great Bay of the Sea of Japan, and to test the isolates for antagonistic activity. A total of 195 strains were isolated and investigated by a phenotypic approach. The 16S rRNA gene sequence analysis of th...

journal_title：Microbes and environments

authors： Romanenko LA,Tanaka N,Uchino M,Kalinovskaya NI,Mikhailov VV

更新日期：2008-01-01 00:00:00

abstract：:Branched nonylphenol (BNP), a degradation product of nonylphenol polyethoxylates, exerts estrogenic effects on various organisms. The genes underlying BNP degradation by Sphingobium amiense DSM 16289T were analyzed by complete genome sequencing and compared with those of the versatile BNP-degrading Sphingobium cloacae...

journal_title：Microbes and environments

authors： Ootsuka M,Nishizawa T,Hasegawa M,Kurusu Y,Ohta H

更新日期：2018-12-28 00:00:00

abstract：:Termites depend nutritionally on their gut microbes, and protistan, bacterial, and archaeal gut communities have been extensively studied. However, limited information is available on viruses in the termite gut. We herein report the complete genome sequence (99,517 bp) of a phage obtained during a genome analysis of "...

journal_title：Microbes and environments

authors： Pramono AK,Kuwahara H,Itoh T,Toyoda A,Yamada A,Hongoh Y

更新日期：2017-06-24 00:00:00

abstract：:Marine fungus-like eukaryotic unicellular protists (thraustochytrids) are considered to play an important role in the marine microbial food web. However, their abundance, distribution, and relative biomass in coastal waters have not yet been examined in detail. By using a flow cytometry method (FCM) for the rapid enum...

journal_title：Microbes and environments

authors： Duan Y,Sen B,Xie N,Paterson JS,Chen Z,Wang G

更新日期：2018-07-04 00:00:00

abstract：:The nifV gene encodes homocitrate synthase, the enzyme that catalyzes the formation of homocitrate, which is essential for arranging the FeMo-cofactor in the catalytic center of nitrogenase. Some host plants, such as Lotus japonicus, supply homocitrate to their symbionts, in this case, Mesorhizobium loti, which lacks ...

journal_title：Microbes and environments

authors： Hashimoto S,Wongdee J,Songwattana P,Greetatorn T,Goto K,Tittabutr P,Boonkerd N,Teaumroong N,Uchiumi T

更新日期：2019-12-27 00:00:00

abstract：:We established artificial consortia of bacteria inoculated from soil and a green alga, Chlorella vulgaris NIES-227. The bacteria and the alga were mixed in a tube or partitioned in a dialysing culture vessel, and the bacterial composition was examined after cultivation. The community of bacteria formed in the consorti...

journal_title：Microbes and environments

authors： Ueda H,Otsuka S,Senoo K

更新日期：2010-01-01 00:00:00

abstract：:A Gram-positive marine bacterium, Exiguobacterium sp. SBH81, was isolated as a hydrophilic organic-solvent tolerant bacterium, and exhibited high tolerance to various types of toxic hydrophilic organic solvents, including acetonitrile, at relatively high concentrations (up to 6% [v/v]) under the growing conditions. In...

journal_title：Microbes and environments

authors： Kongpol A,Kato J,Tajima T,Vangnai AS

更新日期：2012-01-01 00:00:00

abstract：:Atrazine is a triazine herbicide that is widely used to control broadleaf weeds. Its widespread use over the last 50 years has led to the potential contamination of soils, groundwater, rivers, and lakes. Its main route of complete degradation is via biological means, which is carried out by soil microbiota using a 6-s...

journal_title：Microbes and environments

authors： Fernandes AFT,Wang P,Staley C,Aparecida Silva Moretto J,Miguel Altarugio L,Chagas Campanharo S,Guedes Stehling E,Jay Sadowsky M

更新日期：2020-01-01 00:00:00

abstract：:The diversity and abundance of Burkholderia species in sugarcane field soils were investigated by a 16S rRNA gene-based approach using genus-specific primers. A total of 365,721 sequences generated by the Illumina MiSeq platform were assigned to the genus Burkholderia. Nearly 58% of these sequences were placed in a pr...

journal_title：Microbes and environments

authors： Tago K,Itoh H,Kikuchi Y,Hori T,Sato Y,Nagayama A,Okubo T,Navarro R,Aoyagi T,Hayashi K,Hayatsu M

更新日期：2014-01-01 00:00:00

abstract：:Terrestrial hydrocarbon seeps are an important source of naturally emitted methane over geological time. The exact community compositions responsible for carbon cycling beneath these surface features remain obscure. As sulfate reduction represents an essential process for anoxic organic mineralization, this study coll...

journal_title：Microbes and environments

authors： Cheng TW,Lin LH,Lin YT,Song SR,Wang PL

更新日期：2014-01-01 00:00:00

abstract：:We investigated the effects of the water status (flooded or non-flooded) and presence of the nosZ gene in bradyrhizobia on the bradyrhizobial community structure in a factorial experiment that examined three temperature levels (20°C, 25°C, and 30°C) and two soil types (andosol and gray lowland soil) using microcosm in...

journal_title：Microbes and environments

authors： Saeki Y,Nakamura M,Mason MLT,Yano T,Shiro S,Sameshima-Saito R,Itakura M,Minamisawa K,Yamamoto A

更新日期：2017-06-24 00:00:00

abstract：:The inhibitory effects of ammonia on two different degradation pathways of methanogenic acetate were evaluated using a pure culture (Methanosaeta thermophila strain PT) and defined co-culture (Methanothermobacter thermautotrophicus strain TM and Thermacetogenium phaeum strain PB), which represented aceticlastic and sy...

journal_title：Microbes and environments

authors： Kato S,Sasaki K,Watanabe K,Yumoto I,Kamagata Y

更新日期：2014-01-01 00:00:00

abstract：:The aim of the present study was to investigate the prokaryotic community structure of the anaerobic ciliate, Metopus sp. using rRNA sequencing, fluorescence in situ hybridization (FISH), and transmission electron microscopy (TEM). Metopus sp. was physically separated from anaerobic granular sludge in a domestic waste...

journal_title：Microbes and environments

authors： Hirakata Y,Oshiki M,Kuroda K,Hatamoto M,Kubota K,Yamaguchi T,Harada H,Araki N

更新日期：2015-01-01 00:00:00

abstract：:Fucose-containing oligosaccharides on the cell surface of some pathogenic bacteria are thought to be important for host-microbe interactions and to play a major role in the pathogenicity of bacterial pathogens. Here, we screened marine bacteria for glycosyltransferases using two methods: a one-pot glycosyltransferase ...

journal_title：Microbes and environments

authors： Kajiwara H,Toda M,Mine T,Nakada H,Yamamoto T

更新日期：2012-01-01 00:00:00

abstract：:A newly-developed molecular method, hierarchical oligonucleotide primer extension (HOPE), was used to analyze various groups within the species Cylindrospermopsis raciborskii. PCR-amplified internally transcribed spacer sequences of 16S-23S from C. raciborskii in reservoir samples of Taiwan and Kinmen were examined. O...

journal_title：Microbes and environments

authors： Wu JH,Hsu MH,Hung CH,Tseng IC,Lin TF

更新日期：2010-01-01 00:00:00

abstract：:Nitrogen (N) cycles have been directly linked to the functional stability of ecosystems because N is an essential element for life. Furthermore, the supply of N to organisms regulates primary productivity in many natural ecosystems. Microbial communities have been shown to significantly contribute to N cycles because ...

journal_title：Microbes and environments

authors： Isobe K,Ohte N

更新日期：2014-01-01 00:00:00

abstract：:Denitrifiers can produce and consume nitrous oxide (N(2)O). While little N(2)O is emitted from rice paddy soil, the same soil produces N(2)O when the land is drained and used for upland crop cultivation. In this study, we collected soils from two types of fields each at three locations in Japan; one type of field had ...

journal_title：Microbes and environments

authors： Tago K,Ishii S,Nishizawa T,Otsuka S,Senoo K

更新日期：2011-01-01 00:00:00

abstract：:The biological flux and lifetime of methanol in anoxic marine sediments are largely unknown. We herein reported, for the first time, quantitative methanol removal rates in subsurface sediments. Anaerobic incubation experiments with radiotracers showed high rates of microbial methanol consumption. Notably, methanol oxi...

journal_title：Microbes and environments

authors： Yanagawa K,Tani A,Yamamoto N,Hachikubo A,Kano A,Matsumoto R,Suzuki Y

更新日期：2016-06-25 00:00:00

abstract：:N-Acylhomoserine lactones (AHLs) are used as quorum-sensing signaling molecules by many Gram-negative bacteria. Here, 413 bacterial strains were obtained from the roots of potato plants and screened for AHL-degrading bacteria using Chromobacterium violaceum reporter strains. Sixty one isolates degraded N-hexanoyl-L-ho...

journal_title：Microbes and environments

authors： Rashid R,Morohoshi T,Someya N,Ikeda T

更新日期：2011-01-01 00:00:00

abstract：:The screening of pollutant degraders by relying solely on cultivation techniques such as liquid enrichment often fails to isolate the actual degraders in the environment. Community analyses by PCR-denaturing gradient gel electrophoresis (DGGE) were performed to isolate bacteria that can degrade 3-chlorobenzoate (3CB) ...

journal_title：Microbes and environments

authors： Morimoto S,Ogawa N,Hasebe A,Fujii T

更新日期：2008-01-01 00:00:00

abstract：:This study aimed to characterize soil fungal communities in upland rice fields managed with tillage/non-tillage and winter cover-cropping (hairy vetch and cereal rye) practices, using PCR-based molecular methods. The study plots were maintained as upland fields for 5 years and the soils sampled in the second and fifth...

journal_title：Microbes and environments

authors： Nishizawa T,Zhaorigetu,Komatsuzaki M,Sato Y,Kaneko N,Ohta H

更新日期：2010-01-01 00:00:00

abstract：:A wide variety of haloorganic compounds undergo reductive dehalogenation by certain anaerobic microorganisms. Metabolic reductive dehalogenation is coupled with energy-conserving respiratory electron transport in which a halogenated compound is used as the terminal electron acceptor, the biological process called deha...

journal_title：Microbes and environments

authors： Hiraishi A

更新日期：2008-01-01 00:00:00

abstract：:Antibiotics in animal husbandry are used to maintain welfare, but lead to the generation of resistant strains. We analyzed commensal multidrug-resistant Escherichia coli from pigs at the beginning and end of the production cycle in a farm with a farrow-to-finish system in order to investigate whether clonal spread or ...

journal_title：Microbes and environments

authors： Mazurek J,Bok E,Baldy-Chudzik K

更新日期：2018-09-29 00:00:00

abstract：:We investigated biofilm formation on biodegradable plastics in freshwater samples. Poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBH) was covered by a biofilm after an incubation in freshwater samples. A next generation sequencing analysis of the bacterial communities of biofilms that formed on PHBH films revealed t...

journal_title：Microbes and environments

authors： Morohoshi T,Oi T,Aiso H,Suzuki T,Okura T,Sato S

更新日期：2018-09-29 00:00:00

abstract：:Soybean plants host endosymbiotic dinitrogen (N2)-fixing bacteria from the genus Bradyrhizobium. Under oxygen-limiting conditions, Bradyrhizobium diazoefficiens and Bradyrhizobium japonicum perform denitrification by sequentially reducing nitrate (NO3-) to nitrous oxide (N2O) or N2. The anaerobic reduction of NO3- to ...

journal_title：Microbes and environments

authors： Siqueira AF,Sugawara M,Arashida H,Minamisawa K,Sánchez C

更新日期：2020-01-01 00:00:00

abstract：:Growth inhibition due to continuous cropping of asparagus is a major problem; the yield of asparagus in replanted fields is low compared to that in new fields, and missing plants occur among young seedlings. Although soil-borne disease and allelochemicals are considered to be involved in this effect, this is still con...

journal_title：Microbes and environments

authors： Urashima Y,Sonoda T,Fujita Y,Uragami A

更新日期：2012-01-01 00:00:00