Hymenobacter mucosus sp. nov., isolated from a karst cave soil sample

Liu, Lan; Zhou, En‐Min; Jiao, Jian‐Yu; Manikprabhu, Deene; Hong, Ming; Huang, Meijuan; Yin, Yi-Rui; Li, Wenjun

doi:10.1099/ijsem.0.000550

Cited by 18 publications

(7 citation statements)

References 42 publications

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“…The methanolic extract obtained from A . montevidensis ZYD4 grown in absence of 3 M NaCl showed peaks from 400 to 490 nm, indicating the presence of carotenoids (Klassen and Foght, 2008 ; Liu et al, 2015 ), while strain ZYD4 grown in presence of 3 M NaCl did not show any significant peak, indicating the absence of carotenoid. Similar to our results, Plemenitaš et al ( 2008 ) found decreased pigment production in H. werneckii subjected to high salinity.…”

Section: Discussionmentioning

confidence: 99%

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Morphological and Transcriptomic Analysis Reveals the Osmoadaptive Response of Endophytic Fungus Aspergillus montevidensis ZYD4 to High Salt Stress

et al. 2017

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Halophilic fungi have evolved unique osmoadaptive strategies, enabling them to thrive in hypersaline habitats. Here, we conduct morphological and transcriptomic response of endophytic fungus (Aspergillus montevidensis ZYD4) in both the presence and absence of salt stress. Under salt stress, the colony morphology of the A. montevidensis ZYD4 changed drastically and exhibited decreased colony pigmentation. Extensive conidiophores development was observed under salt stress; conidiophores rarely developed in the absence of salt stress. Under salt stress, yellow cleistothecium formation was inhibited, while glycerol and compatible sugars continued to accumulate. Among differentially expressed unigenes (DEGs), 733 of them were up-regulated while 1,619 unigenes were down-regulated. We discovered that genes involved in the accumulation of glycerol, the storage of compatible sugars, organic acids, pigment production, and asexual sporulation were differentially regulated under salt stress. These results provide further understanding of the molecular basis of osmoadaptive mechanisms of halophilic endophytic fungi.

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Section: Discussionmentioning

confidence: 99%

“…The mycelium was thoroughly ground in liquid nitrogen. The pigment was extracted with methanol (Liu et al, 2015 ) and monitored by UV–visible spectrophotometer (Shimadzu UV-1750, Japan) using β-Carotene and flavoglaucin as standard.…”

Section: Methodsmentioning

confidence: 99%

Morphological and Transcriptomic Analysis Reveals the Osmoadaptive Response of Endophytic Fungus Aspergillus montevidensis ZYD4 to High Salt Stress

et al. 2017

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“…Colony morphology of strain SYSU SYW-1 T was examined after 2 days of incubation on BCYEα agar at 32 °C. Cell morphology was investigated by scanning electron microscopy (JEM100C×11) according to the protocols of Liu et al [49]. Biochemical tests (catalase and oxidase activities, β-lactamase, urease, H 2 S and indole tests, aesculin hydrolysis, gelatin hydrolysis and nitrate reduction) were carried out using cultures grown at 32 °C on 2216E-blood agar as described by Aslanzadeh [50].…”

Section: Carbon Source Utilizationmentioning

confidence: 99%

Francisella salimarina sp. nov., isolated from coastal seawater

Luo

Feng

et al. 2020

International Journal of Systematic and Evolutionary Microbiology

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Four strains (SYSU SYW-1T, SYW-2, SYW-3 and XLW-1) were isolated from seawater near the shore in Guangdong Province, China. Cells were Gram-stain-negative, aerobic, non-motile and non-spore-forming. Growth was observed at a temperature range of 16–40 °C (optimum, 32 °C), a pH range of 4–8 (optimum, pH 7) and in the presence of up to 10 % (w/v) NaCl. The major polar lipids were diphosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine and an unidentified phospholipid. The respiratory quinone was ubiquinone 8 (UQ-8), and the predominant fatty acids were C18 : 0 3-OH, C10 : 0, C14 : 0 and C18 : 1ω9c. Comparison of 16S rRNA gene and genome sequences confirmed that these strains represented a novel member of the genus Francisella , with less than 98.8 % 16S rRNA gene sequence similarity and less than 95 % genomic average nucleotide identity to recognized Francisella species. The phylogenetic tree based on 16S rRNA gene sequences and the protein-concatamer tree based on a concatenation of 28 protein marker sequences both indicated that the strains clustered with ‘Francisella salina’ TX07-7308 and ‘Francisella marina’ E95-16, but formed a distinct lineage group among the other members of the genus Francisella . The DNA G+C contents of the four strains were determined to be 32.9, 32.7, 32.9 and 32.9 %, respectively (genome). On the basis of phenotypic and genotypic features, the strains are considered to represent a novel species of the genus Francisella , for which the name Francisella salimarina sp. nov. is proposed. The type strain is SYSU SYW-1T (=CGMCC 1.17031T=NBRC 113781T).

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“…Carotenoids producing microorganisms are diverse, isolated from soil (Arulselvi et al, 2014), cave (Liu et al, 2015), marine (Lee et al, 2004), and slattern crystallizer pond (Anton et al, 2002) environments.…”

Section: Types Of Pigmentsmentioning

confidence: 99%

Fungal and Bacterial Pigments: Secondary Metabolites with Wide Applications

2017

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The demand for natural colors is increasing day by day due to harmful effects of some synthetic dyes. Bacterial and fungal pigments provide a readily available alternative source of naturally derived pigments. In contrast to other natural pigments, they have enormous advantages including rapid growth, easy processing, and independence of weather conditions. Apart from colorant, bacterial and fungal pigments possess many biological properties such as antioxidant, antimicrobial and anticancer activity. This review outlines different types of pigments. It lists some bacterial and fungal pigments and current bacterial and fungal pigment status and challenges. It also focuses on possible fungal and bacterial pigment applications.

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Hymenobacter mucosus sp. nov., isolated from a karst cave soil sample

Abstract: A novel Gram-stain-negative, non-motile, rod-shaped and watermelon-red-pigmented aerobic bacterial strain, designated YIM 77969

Cited by 18 publications

References 42 publications

Morphological and Transcriptomic Analysis Reveals the Osmoadaptive Response of Endophytic Fungus Aspergillus montevidensis ZYD4 to High Salt Stress

Morphological and Transcriptomic Analysis Reveals the Osmoadaptive Response of Endophytic Fungus Aspergillus montevidensis ZYD4 to High Salt Stress

Francisella salimarina sp. nov., isolated from coastal seawater

Fungal and Bacterial Pigments: Secondary Metabolites with Wide Applications

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