ArticleExtremophiles : life under extreme conditions2018
Variation with depth of the abundance, diversity and pigmentation of culturable bacteria in a deep ice core from the Yuzhufeng Glacier, Tibetan Plateau.
Article in Extremophiles : life under extreme conditions, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 37 citations in OpenAlex.
- Exploring the bacterial diversity and its antibiotic resistance in Kabru Glacier ice cores, Sikkim Himalaya.Frontiers in microbiology · 2025Article
- Differential effects of winter cold stress on soil bacterial communities, metabolites, and physicochemical properties in two varieties ofMicrobiology spectrum · 2024Article
- Cryosphere: a frozen home of microbes and a potential source for drug discovery.Archives of microbiology · 2024Review
- Microbial pigments: Learning from Himalayan perspective to industrial applications.Journal of industrial microbiology & biotechnology · 2022Article
- Contamination analysis of Arctic ice samples as planetary field analogs and implications for future life-detection missions to Europa and Enceladus.Scientific reports · 2022Article
- Research on safety and compliance of imported microbial inoculants using high-throughput sequencing.Frontiers in medicine · 2022Article
- Carotenoid Cocktail Produced by An Antarctic SoilMicroorganisms · 2021Article
- Cold Active Lipases: Biocatalytic Tools for Greener Technology.Applied biochemistry and biotechnology · 2021Review
- Linking genomic and physiological characteristics of psychrophilic Arthrobacter to metagenomic data to explain global environmental distribution.Microbiome · 2021Article
- Light stimulates anoxic and oligotrophic growth of glacial Flavobacterium strains that produce zeaxanthin.The ISME journal · 2021Article
- Bacterial community characterization of Batura Glacier in the Karakoram Range of Pakistan.International microbiology : the official journal of the Spanish Society for Microbiology · 2021Article
- Microbial Community Structure Driven by a Volcanic Gradient in Glaciers of the Antarctic Archipelago South Shetland.Microorganisms · 2021Article
- First report on antibiotic resistance and antimicrobial activity of bacterial isolates from 13,000-year old cave ice core.Scientific reports · 2021Article
- Glacial Ice Age Shapes Microbiome Composition in a Receding Southern European Glacier.Frontiers in microbiology · 2021Article
- Pigment production by cold-adapted bacteria and fungi: colorful tale of cryosphere with wide range applications.Extremophiles : life under extreme conditions · 2020Review
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Authors and funding
6 authors at 4 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
It has been suggested that the cryosphere is a new biome uniquely dominated by microorganisms, although the ecological characteristics of these cold-adapted bacteria are not well understood. We investigated the vertical variation with depth of the proportion of pigmented bacteria recovered from an ice core drilled in the Yuzhufeng Glacier, Tibetan Plateau. A total of 25,449 colonies were obtained from 1250 ice core sections. Colonies grew on only one-third of the inoculated Petri dishes, indicating that although the ice core harbored abundant culturable bacteria, bacteria could not be isolated from every section. Four phyla and 19 genera were obtained; Proteobacteria formed the dominant cluster, followed by Actinobacteria, Bacteroidetes and Firmicutes. The proportion of pigmented bacteria increased with depth from 79 to 95% and yellow-colored colonies predominated throughout the ice core, making up 47% of all the colonies. Pigments including α- and β-carotene, diatoxanthin, peridinin, zea/lutein, butanoyloxy, fucoxanthin and fucoxanthin were detected in representative colonies with α-carotene being the dominant carotenoid. To the best of our knowledge, this is the highest resolution study of culturable bacteria in a deep ice core reported to date.
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