| Hymenobacter tibetensis | |
|---|---|
Scientific classification  | |
| Domain: | Bacteria |
| Phylum: | Bacteroidota |
| Class: | Cytophagia |
| Order: | Cytophagales |
| Family: | Hymenobacteraceae |
| Genus: | Hymenobacter |
| Species: | H. tibetensis |
| Binomial name | |
| Hymenobacter tibetensis Dai et al. 2014 [1] | |
| Type strain [2] | |
| CCTCC AB 207089, XTM003, NRRL B-51271 | |
Hymenobacter tibetensis is an UV-resistant bacterium from the genus Hymenobacter which has been isolated from the Qinghai-Tibet plateau in China. [1] [2] [3]
The Tibetan Plateau, also known as the Qinghai–Tibet Plateau or the Qing–Zang Plateau or as the Himalayan Plateau in India, is a vast elevated plateau located at the intersection of Central, South and East Asia covering most of the Tibet Autonomous Region, most of Qinghai, western half of Sichuan, Southern Gansu provinces in Western China, southern Xinjiang, Bhutan, the Indian regions of Ladakh and Lahaul and Spiti as well as Gilgit-Baltistan in Pakistan, northwestern Nepal, eastern Tajikistan and southern Kyrgyzstan. It stretches approximately 1,000 kilometres (620 mi) north to south and 2,500 kilometres (1,600 mi) east to west. It is the world's highest and largest plateau above sea level, with an area of 2,500,000 square kilometres (970,000 sq mi). With an average elevation exceeding 4,500 metres (14,800 ft) and being surrounded by imposing mountain ranges that harbor the world's two highest summits, Mount Everest and K2, the Tibetan Plateau is often referred to as "the Roof of the World".
Hoh Xil or Kekexili, is an isolated region in the northeastern part of Qinghai-Tibet Plateau. On July 7, 2017, the Hoh Xil in Qinghai was listed among the World Heritage Sites as "the largest and highest plateau in the world".
Deinococcus is in the monotypic family Deinococcaceae, and one genus of three in the order Deinococcales of the bacterial phylum Deinococcota highly resistant to environmental hazards. These bacteria have thick cell walls that give them Gram-positive stains, but they include a second membrane and so are closer in structure to Gram-negative bacteria. Deinococcus survive when their DNA is exposed to high doses of gamma and UV radiation. Whereas other bacteria change their structure in the presence of radiation, such as by forming endospores, Deinococcus tolerate it without changing their cellular form and do not retreat into a hardened structure. They are also characterized by the presence of the carotenoid pigment deinoxanthin that give them their pink color. They are usually isolated according to these two criteria. In August 2020, scientists reported that bacteria from Earth, particularly Deinococcus bacteria, were found to survive for three years in outer space, based on studies conducted on the International Space Station. These findings support the notion of panspermia, the hypothesis that life exists throughout the Universe, distributed in various ways, including space dust, meteoroids, asteroids, comets, planetoids or contaminated spacecraft.
Hymenobacter is a Gram-negative and non-motile bacterial genus from the family Hymenobacteraceae.
Hymenobacter actinosclerus is a bacterium from the genus Hymenobacter which has been isolated from pork chops.
Hymenobacter deserti is a Gram-negative, rod-shaped and non-motile bacterium from the genus Hymenobacter which has been isolated from soil from the desert of Xinjiang in China.
Hymenobacter kanuolensis is a Gram-negative, rod-shaped, radiation-resistant and non-motile bacterium from the genus Hymenobacter which has been isolated from soil from the Qinghai-Tibet Plateau in Tibet in China.
Hymenobacter psychrotolerans is a bacterium from the genus Hymenobacter which has been isolated from permafrost sediments from the Qinghai-Tibet Plateau in China.
Hymenobacter qilianensis is a Gram-negative, rod-shaped, non-spore-forming and non-motile bacterium from the genus Hymenobacter which has been isolated from the permafrost region of Qilian Mountains in China.
Hymenobacter xinjiangensis is a radiation-resistant, Gram-negative, rod-shaped and non-motile bacterium from the genus Hymenobacter which has been isolated from sand from the desert of Xinjiang in China.
Dyadobacter tibetensis is a Gram-negative, aerobic, rod-shaped and non-motile bacterium from the genus of Dyadobacter which has been isolated from a glacial ice core from the Tibetan Plateau in China.
Hymenobacter glacieicola is a Gram-negative, rod-shaped and non-motile bacterium from the genus Hymenobacter which has been isolated from glacier ice from the Muztagh Glacier from the Tibetan Plateau in China.
Hymenobacter mucosus is a Gram-negative, rod-shaped and non-motile bacterium from the genus Hymenobacter which has been isolated from soil from the Jiuxiang cave in China. It produces red, watermelonlike pigment from the plectaniaxanthin series of carotenoid pigments. The 16S RNA analysis has revealed its similarity to Hymenobacter tibetensis, Hymenobacter gelipurpurascens and Hymenobacter xinjiangensis
Hymenobacter swuensis is a Gram-negative and non-motile bacterium from the genus Hymenobacter which has been isolated from mountain soil.
Hymenobacter arcticus is a Gram-negative, aerobic, rod-shaped, non-spore-forming and non-motile bacterium from the genus Hymenobacter which has been isolated from the Han River in Korea.
Hymenobacter frigidus is a Gram-negative, psychrophilic and rod-shaped bacterium from the genus Hymenobacter which has been isolated from the ice core of the Muztagh Glacier from the Tibetan Plateau.
Niabella tibetensis is a Gram-negative, rod-shaped and non-motile bacterium from the genus of Niabella which has been isolated from the Tibet Province in China.
Streptomyces dangxiongensis is a bacterium species from the genus of Streptomyces which has been isolated from soil from the Qinghai-Tibet Plateau in China.
Streptomyces tibetensis is a bacterium species from the genus of Streptomyces which has been isolated from soil from the Tibetan Plateau in China.
Glaciihabitans tibetensis is a Gram-positive, aerobic, non-spore-forming and short-rod-shaped bacterium from the genus Glaciihabitans which has been isolated from ice water from the Midui Glacier in Tibet.
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