Results 131 to 140 of about 419 (158)
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Science China Earth Sciences, 2014
The deep ocean piezosphere accounts for a significant part of the global ocean, hosts active and diverse microbial communities which probably play a more important role than hitherto recognized in the global ocean carbon cycle. The conventional biological pump concept and the recently proposed microbial carbon pump mechanism provide a foundation for ...
Fang, JiaSo +8 more
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The deep ocean piezosphere accounts for a significant part of the global ocean, hosts active and diverse microbial communities which probably play a more important role than hitherto recognized in the global ocean carbon cycle. The conventional biological pump concept and the recently proposed microbial carbon pump mechanism provide a foundation for ...
Fang, JiaSo +8 more
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Membrane-Based Adaptations of Deep-Sea Piezophiles
1999Pressure is an important thermodynamic variable of particular significance when comparing biological processes that take place at different depths. Most of what is known about high pressure habitats has come from studies of deep-sea environments. When one considers the tremendous diversity of deep-sea benthic invertebrates (Rex et al., 1993), and the ...
D. H. Bartlett, K. A. Bidle
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Diversity of Piezophilic Microorganisms in the Closed Ocean Japan Sea
Bioscience, Biotechnology, and Biochemistry, 2006Deep-sea sediment samples were collected at a depth of 3,064 m in the Japan Sea. Microorganisms in the sediment sample were cultivated under several pressure conditions, and the high-pressure adapted microbes were isolated. Two of the isolates exhibited piezophilic growth profiles.
Shizuka, Arakawa +5 more
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31 Handling of Piezophilic Microorganisms
2006Publisher Summary This chapter describes the traditional methods for the handling of piezophilic micro-organisms along with novel systems. Piezophilic micro-organisms are extremophiles, living under the deep-ocean floor that have adapted to a high-pressure environment and can grow more easily under high hydrostatic pressure conditions than at ...
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[The high pressure life of piezophiles].
Biologie aujourd'hui, 2015The deep biosphere is composed of very different biotopes located in the depth of the oceans, the ocean crust or the lithosphere. Although very different, deep biosphere biotopes share one common feature, high hydrostatic pressure. The deep biosphere is colonized by specific organisms, called piezophiles, that are able to grow under high hydrostatic ...
Philippe, Oger, Anaïs, Cario
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Biosynthesis and dietary uptake of polyunsaturated fatty acids by piezophilic bacteria
Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology, 2004The biochemistry of piezophilic bacteria is unique in that piezophiles produce polyunsaturated fatty acids (PUFAs). A pertinent question is if piezophilic bacteria synthesize PUFA de novo, through dietary uptake, or both. This study was undertaken to examine the biosynthesis and cellular uptake of PUFAs by piezophilic bacteria. A moderately piezophilic
Jiasong, Fang +4 more
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Pressure response in deep-sea piezophilic bacteria.
Journal of molecular microbiology and biotechnology, 2000Several piezophilic bacteria have been isolated from deep-sea environments under high hydrostatic pressure. Taxonomic studies of the isolates showed that the piezophilic bacteria are not widely distributed in terms of taxonomic positions, and all were assigned to particular branches of the Proteobacteria gamma-subgroup. A pressure-regulated operon from
C, Kato, M H, Qureshi
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Isolation, Cultivation, and Diversity of Deep-Sea Piezophiles
2014This chapter focuses on the isolation, taxonomy, and diversity of piezophilic microorganisms and their habitats. Based upon several studies the authors have indicated that cultivated psychrophilic and piezophilic deep-sea bacteria could be affiliated with one of five genera within the Gammaproteobacteria subgroup: Shewanella, Photobacterium, Colwellia,
Chiaki Kato +2 more
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Piezophilic or Barophilic Microorganisms
2022Pradnya Pralhad Kanekar +1 more
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