Filimonas zeae sp. nov., an endophytic bacterium isolated from maize root

Gao, Jun-lian; Sun, Pengbo; Wang, Xüming; Qiu, Tian; Lv, Fanyang; Yang, Mingming; Lu, Mengzhu; Sun, Jianguang

doi:10.1099/ijsem.0.001116

Cited by 19 publications

(15 citation statements)

References 21 publications

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“…The predominant and known polar lipid is PE consistent with previous descriptions of species of Filimonas [4][5][6]. In addition, the polar lipid profile of strain TTM-71 T was revealed to be distinct by comparison with two reference strains: Filimonas endophytica SR 2-06 T contained PE, APL1-APL5, AL1-AL2, PL1 and L1 [4]; Filimonas zeae 772 T contained PE, APL1-APL2, PL1-PL2 and L1 [5]. Therefore, there were several kinds of uncharacterized APL, AL, PL and L presenting individual differences.…”

Section: Physiology and Chemotaxonomysupporting

confidence: 88%

“…Differential characteristics of Filimonas effusa TTM-71 T and the type strains of related Filimonas species Strains: 1, TTM-71 T ; 2, Filimonas lacunae YT21 T ; 3, Filimonas endophytica SR 2-06 T ; 4, Filimonas zeae 772 T . All data from this study except the G+C content of Filimonas lacunae YT21 T [1], Filimonas endophytica SR 2-06 T [4] and Filimonas zeae 772 T [5]. +, Positive reaction; -, negative reaction.…”

Section: Physiology and Chemotaxonomymentioning

confidence: 80%

“…All strains are motile by gliding and positive for oxidase, catalase, alkaline phosphatase, leucine arylamidase, valine arylamidase, acid phosphatase, naphthol-AS-BI-phosphohydrolase, β-galactosidase, β-glucosidase and N-acetyl-β-glucosaminidase activities, assimilation of glucose, arabinose, mannose and maltose and hydrolysis of aesculin. All strains are negative for: Gram-staining; nitrate reduction; indole production; glucose fermentation; C14 lipase, β-glucuronidase, α-mannosidase and α-fucosidase activities; assimilation of mannitol, N-acetyl-glucosamine, gluconate, caprate, adipate, malate, citrate and phenyl-acetate; hydrolysis of Tweens 20, 40, 60 and 80. these three Filimonas species [1,4,5]. In addition, summed feature 3 was also the major cellular fatty acid in Filimonas lacunae YT21 T and Filimonas endophytica SR 2-06 T [1,4].…”

Section: Physiology and Chemotaxonomymentioning

confidence: 91%

“…Metabolically, members of the genus are strictly aerobic and chemoorganotrophic. Chemotaxonomically, members of the genus possess iso-C 15 : 0 , iso-C 17 : 0 3-OH and iso-C 15 : 1 G as the predominant fatty acids, phosphatidylethanolamine as the major polar lipid, MK-7 as the main quinone and DNA G+C contents of between 44.9 and 46.6 mol% [1,[4][5][6]. The present study was carried out to clarify the taxonomic position of a novel species of the genus Filimonas by a polyphasic taxonomic approach.…”

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confidence: 99%

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Filimonas effusa sp. nov., isolated from a freshwater river

Chen

et al. 2020

International Journal of Systematic and Evolutionary Microbiology

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Strain TTM-71T, isolated from a freshwater river in Taiwan, was characterized using a polyphasic taxonomic approach. Phylogenetic analyses based on 16S rRNA gene sequences and an up-to-date bacterial core gene set (92 protein clusters) indicated that strain TTM-71T is affiliated with species in the genus Filimonas . The 16S rRNA gene sequence similarity indicated that strain TTM-71T is closely related to species within the genus Filimonas (94.7–95.5 % sequence similarity) and had a high sequence similarity with Filimonas endophytica SR 2-06T (95.5 %). Strain TTM-71T showed 70.3 % average nucleotide identity and 24.9 % digital DNA–DNA hybridization identity with Filimonas lacunae YT21T. Cells were Gram-stain-negative, aerobic, motile by gliding, rod-shaped and formed beige-colored colonies. Optimal growth occurred at 20 °C, pH 8, and in the presence of 0.5 % NaCl. The major fatty acids of strain TTM-71T were iso-C15 : 0, iso-C15 : 1 G and summed feature 3 (comprising C16 : 1 ω7c and/or C16 : 1 ω6c). The predominant hydroxy fatty acid was iso-C17 : 0 3-OH. The polar lipid profile consisted of a mixture of phosphatidylethanolamine, four uncharacterized aminophospholipids, one uncharacterized aminolipid, one uncharacterized phospholipid and one uncharacterized lipid. The predominant polyamine was homospermidine. The only isoprenoid quinone was MK-7. Genomic DNA G+C content was 45.6 mol%. On the basis of the polyphasic evidence presented, strain TTM-71T is considered to represent a novel species of the genus Filimonas , for which the name Filimonas effusa sp. nov. is proposed. The type strain is TTM-71T (=BCRC 81160T=LMG 31017T=KCTC 62871T).

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Section: Physiology and Chemotaxonomysupporting

confidence: 88%

Section: Physiology and Chemotaxonomymentioning

confidence: 80%

Section: Physiology and Chemotaxonomymentioning

confidence: 91%

mentioning

confidence: 99%

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Filimonas effusa sp. nov., isolated from a freshwater river

Chen

et al. 2020

International Journal of Systematic and Evolutionary Microbiology

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“…Chitinophagaceae (phylum Bacteroidetes) comprises a ubiquitous bacterial family that was recently described in soil (Bailey, Fansler, Stegen, & McCue, 2013;Lv, Wang, Chen, You, & Qiu, 2016), freshwater (Leite et al, 2016;Siddiqi & Im, 2016), a hypersaline lake (Vavourakis et al, 2016), hot springs (Hanada, Tamaki, Nakamura, & Kamagata, 2014), maize roots (Gao et al, 2016) and human tumours (Lo et al, 2015). This is a clade with strong taxonomic support, even though few genomes have been fully sequenced to date.…”

Section: Introductionmentioning

confidence: 99%

Single‐cell sequencing unveils the lifestyle and CRISPR‐based population history of Hydrotalea sp. in acid mine drainage

et al. 2017

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Acid mine drainage (AMD) is characterized by an acid and metal-rich run-off that originates from mining systems. Despite having been studied for many decades, much remains unknown about the microbial community dynamics in AMD sites, especially during their early development, when the acidity is moderate. Here, we describe draft genome assemblies from single cells retrieved from an early-stage AMD sample. These cells belong to the genus Hydrotalea and are closely related to Hydrotalea flava. The phylogeny and average nucleotide identity analysis suggest that all single amplified genomes (SAGs) form two clades that may represent different strains. These cells have the genomic potential for denitrification, copper and other metal resistance. Two coexisting CRISPR-Cas loci were recovered across SAGs, and we observed heterogeneity in the population with regard to the spacer sequences, together with the loss of trailer-end spacers. Our results suggest that the genomes of Hydrotalea sp. strains studied here are adjusting to a quickly changing selective pressure at the microhabitat scale, and an important form of this selective pressure is infection by foreign DNA.

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Heliimonas

Albuquerque

Egas

2020

Bergey's Manual of Systematics of Archaea and Bacteria

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Hel.i.i.mo'nas. N.L. fem n. Helia Hel (the goddess of Hell in Nordic mythology); L. fem. n. monas a unit, monad; N.L. fem. n. Heliimonas a unit (bacterium) isolated near Hell (i.e., isolated from a 150‐m borehole). Bacteroidetes / Chitinophagia / Chitinophagales / Chitinophagaceae / Heliimonas The genus Heliimonas comprises one species named Heliimonas saccharivorans . The organism forms pleomorphic cells. The species is nonmotile and has no gliding motility. The organism stain Gram‐negative, and the colonies are cream colored. The species H. saccharivorans is mesophilic and strictly aerobic. Possess cytochrome c oxidase and is catalase‐positive. Chemoorganotrophic. Growth factors are necessary for growth in minimal medium. Carbohydrates are used as carbon and energy sources, but amino acids, organic acids, and polyols are not assimilated. Amino acids are used as nitrogen source. Menaquinone 7 (MK‐7) is the only respiratory quinone. The major polar lipids are phosphatidylethanolamine (PE), one unidentified phospholipid (PL), and one unidentified lipid (UL). Acyl chains are predominantly iso‐branched and 3‐OH fatty acids, namely iso‐C 17:0 3‐OH, iso‐C 15:0 , and iso‐C 15:1 G. The type strain was isolated from a deep aquifer. DNA G + C content (mol%) : 41.4–42.0 (HPLC). Type species : Heliimonas saccharivorans Leandro et al. 2013 VP .

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Filimonas zeae sp. nov., an endophytic bacterium isolated from maize root

Cited by 19 publications

References 21 publications

Filimonas effusa sp. nov., isolated from a freshwater river

Filimonas effusa sp. nov., isolated from a freshwater river

Single‐cell sequencing unveils the lifestyle and CRISPR‐based population history of Hydrotalea sp. in acid mine drainage

Heliimonas

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