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隨著大深度采樣以及原位分析技術(shù)的發(fā)展，越來(lái)越多的證據(jù)表明，在以低溫、高靜水壓為主要特點(diǎn)的深海、深淵環(huán)境中依然有大量微生物在活躍地進(jìn)行物質(zhì)代謝和能量轉(zhuǎn)換。這些嗜壓微生物（piezophiles）和僅能在高壓條件下生長(zhǎng)的嚴(yán)格嗜壓微生物（obligate piezophiles）具有獨(dú)特的遺傳特征、分子組成，并可合成一些耐受高靜水壓的代謝酶類(lèi)，使其能夠在深海、深淵生境中維持正常的生命活動(dòng)。探索深海深淵微生物具有怎樣的遺傳、生理、結(jié)構(gòu)特征，闡明其在極高壓力的極端條件下的生存策略，不僅有助于拓展對(duì)地球生命極限和起源演化等基礎(chǔ)科學(xué)問(wèn)題的認(rèn)知，還將為開(kāi)發(fā)、利用深淵生境中廣闊的新型生物資源奠定堅(jiān)實(shí)基礎(chǔ)。

研究方向：?

1）深海深淵微生物資源挖掘

從不同深海極端環(huán)境（深海冷泉、熱液、深淵等）中進(jìn)行極端微生物菌種（尤其是嗜壓菌和嚴(yán)格嗜壓菌）的分離、鑒定，挖掘新的物種資源，為深海深淵極端微生物的生理功能認(rèn)識(shí)和利用以及生命進(jìn)化研究奠定基礎(chǔ)。?

2）深海深淵微生物的極端環(huán)境適應(yīng)機(jī)制

應(yīng)用自研的高壓原位模擬培養(yǎng)和分析裝置，綜合利用基因組-轉(zhuǎn)錄組-代謝組學(xué)、分子生物學(xué)、生物化學(xué)和微生物生理學(xué)等研究手段，研究細(xì)胞結(jié)構(gòu)、生長(zhǎng)、物質(zhì)、能量代謝等表征，發(fā)現(xiàn)適應(yīng)極端環(huán)境的關(guān)鍵調(diào)控元件和功能基因，解析極端微生物適應(yīng)極端環(huán)境的分子機(jī)制，解析嗜壓微生物在深海深淵物質(zhì)代謝能量循環(huán)中發(fā)揮的作用。

團(tuán)隊(duì)重點(diǎn)關(guān)注三類(lèi)模式微生物：a）以Photobacterium、Shewanella為代表的深海深淵嗜冷嗜壓細(xì)菌，解析響應(yīng)靜水壓力變化的基因表達(dá)調(diào)控機(jī)制，闡釋高靜水壓與細(xì)胞代謝、氧脅迫間的偶聯(lián)關(guān)系；b）以SWIR1 和F-J1為代表的深海熱液光能利用微生物，探索紅外輻射對(duì)其細(xì)胞分裂和代謝過(guò)程的影響，發(fā)現(xiàn)新的紅外光能利用途徑和調(diào)控機(jī)制；3）結(jié)合深海原位培養(yǎng)和標(biāo)記，應(yīng)用單細(xì)胞分選和和多組學(xué)技術(shù)，鑒別原位環(huán)境中活躍生長(zhǎng)的微生物類(lèi)群并解析壓力對(duì)其代謝活性的影響。?

研究團(tuán)隊(duì)：?

學(xué)科帶頭人：

吳龍飛，博士，研究員，博士生導(dǎo)師；

電子郵箱：wu@idsse.ac.cn

團(tuán)隊(duì)成員：?

張維佳，博士，研究員，博士生導(dǎo)師；

電子郵箱：wzhang@idsse.ac.cn

李學(xué)恭，博士，副研究員，博士生導(dǎo)師；

電子郵箱：xuegongli@idsse.ac.cn

唐龍，碩士，科研助理

電子郵箱：tangl@hn-dstic.com

馬杰，本科，科研助理

電子郵箱：mjjm96@foxmail.com

在讀研究生：

文定洋，2022級(jí)碩士研究生

林? 僅，2022級(jí)碩士研究生

孟限彬，2023級(jí)碩士研究生

張觀媛，2023級(jí)碩士研究生

已畢業(yè)研究生：

尹群健，博士，2014級(jí)博士研究生

湯弘智，博士，2017級(jí)博士研究生

江? 婷，碩士，2016級(jí)碩士研究生

崔雪花，碩士，2016級(jí)碩士研究生

張? 嬋，碩士，2016級(jí)碩士研究生

崔文鵬，碩士，2017級(jí)碩士研究生

戴? 婕，碩士，2018級(jí)碩士研究生

劉? 娜，碩士，2018級(jí)碩士研究生

李安琦，碩士，2019級(jí)碩士研究生

陳? 紅，碩士，2019級(jí)碩士研究生

趙? 芮，碩士，2020級(jí)碩士研究生

包旭沖，碩士，2020級(jí)碩士研究生

焦?jié)绍纾T士，2021級(jí)碩士研究生

　　承擔(dān)科研項(xiàng)目：?

國(guó)家重點(diǎn)研發(fā)計(jì)劃項(xiàng)目課題、子課題

國(guó)家自然科學(xué)基金委面上項(xiàng)目、集成項(xiàng)目

海南省重大科技計(jì)劃項(xiàng)目、子課題

近5年發(fā)表的主要學(xué)術(shù)論文：?

1.???Li AQ, Qi XQ, Zhang C, Huang XG, Wen DY, Li XG, Zhang WJ. Thalassotalea psychrophila sp. nov., Thalassotalea nanhaiensis sp. nov. and Thalassotalea fonticola sp. nov., three psychrophilic bacteria isolated from deep-sea sediment. International journal of systematic and evolutionary microbiology. 2024 May;74(5).

2.???Dai J, Li XG, Zhang TY, Chen H, Zhang WJ, Li D, et al. Illuminating a bacterial adaptation mechanism: Infrared-driven cell division in deep-sea hydrothermal vent environments. The Innovation Geoscience. 2024;2(1): 100050.

3.???Dai J, Li XG, Zhang WJ, Wu LF. Tepidibacter hydrothermalis sp. nov., a novel anaerobic bacterium isolated from a deep-sea hydrothermal vent. International journal of systematic and evolutionary microbiology. 2023 Nov;73(11).

4.???Li XG, Dai J, Zhang WJ, Jiang AJ, Li DH, Wu LF. Genome analysis of Tepidibacter sp. SWIR-1, an anaerobic endospore-forming bacterium isolated from a deep-sea hydrothermal vent. Marine Genomics. 2023 Oct;71:101049.

5.???Li AQ, Zhang C, Li DH, Qi XQ, Meng L, Wu LF , et al. Parasedimentitalea psychrophila sp. nov., a psychrophilic bacterium isolated from deep-sea sediment. International journal of systematic and evolutionary microbiology. 2023 Sep;73(9).

6.???Liu N, Jiang T, Cui WP, Qi XQ, Li XG, Lu Y, et al. The TorRS two component system regulates expression of TMAO reductase in response to high hydrostatic pressure in Vibrio fluvialis. Frontiers in Microbiology. 2023 Nov 7;14:1291578.

7.???趙芮, 李登輝, 李學(xué)恭, 張維佳, 趙苑, 吳龍飛. 微小桿菌屬(Exiguobacterium)細(xì)菌的能量代謝途徑分析 [J]. 微生物學(xué)報(bào), 2023, 63 (06): 2078-2093.

8.???Bao XC, Tang HZ, Li XG, Li AQ, Qi XQ, Li DH, et al. Bioluminescence Contributes to the Adaptation of Deep-Sea Bacterium Photobacterium phosphoreum ANT-2200 to High Hydrostatic Pressure. Microorganisms. 2023 May 23;11(6):1362.

9.???Li AQ, Zhang WJ, Li XG, Bao XC, Qi XQ, Wu LF, et al. Piezophilic Phenotype Is Growth Condition Dependent and Correlated with the Regulation of Two Sets of ATPase in Deep-Sea Piezophilic Bacterium Photobacterium profundum SS9. Microorganisms. 2023 Mar 2;11(3):637.

10.?Jiao ZX, Li XG, Zhang HH, Xu J, Bai SJ, Dai J, et al. Crassaminicella indica sp. nov., a novel thermophilic anaerobic bacterium isolated from a deep-sea hydrothermal vent. International journal of systematic and evolutionary microbiology. 2023 Mar;73(3).

11.?Chen H, Li DH, Jiang AJ, Li XG, Wu SJ, et al. Metagenomic analysis reveals wide distribution of phototrophic bacteria in hydrothermal vents on the ultraslow-spreading Southwest Indian Ridge. Marine Life Science & Technology. 2021

12.?Zhang WJ, Zhang C, Zhou S, Li XG, Mangenot S, Fouteau S, et al. Comparative genomic analysis of obligately piezophilic Moritella yayanosii DB21MT-5 reveals bacterial adaptation to the Challenger Deep, Mariana Trench. Microbial genomics. 2021;7(7).

13.?Li XG, Jiao ZX, Zhang HH, Xu J, Zhang WJ, Qi XQ, Wu LF. Complete genome sequence of Crassaminicella sp. 143-21，isolated from a deep-sea hydrothermal vent. Marine Genomics. 2021.

14.?Li XG, Tang HZ, Zhang WJ, Qi XQ, Qu ZG, Xu J, et al. Thermococcus aciditolerans sp. nov., a piezotolerant, hyperthermophilic archaeon isolated from a deep- sea hydrothermal vent chimney in the Southwest Indian Ridge. International journal of systematic and evolutionary microbiology. 2021;71(8).?

15.?Li XG, Lin J, Bai SJ, Dai J, Jiao ZX, Tang HZ, et al. Crassaminicella thermophila sp. nov., a moderately thermophilic bacterium isolated from a deep-sea hydrothermal vent chimney and emended description of the genus Crassaminicella. International journal of systematic and evolutionary microbiology. 2021;71(11).

16.?Wang G, Huang Y, Zhang W, Peng R, Luo J, Liu S, et al. Identification and genome analysis of a novel picornavirus from captive belugas (Delphinapterus leucas) in China. Scientific Reports (2021) 11:21018.

17.?Chen, H., Li, J., Wu, LF. and Zhang WJ. Morphological and phylogenetic diversity of magnetotactic bacteria and multicellular magnetotactic prokaryotes from a mangrove ecosystem in the Sanya River, South China. Journal of Oceanology and Limnology. 2021;39, 2015–2026.

18.?Zhang WJ, Wu LF. Flagella and Swimming Behavior of Marine Magnetotactic Bacteria. Biomolecules. 2020;10(3).

19.?Dai J, Tang HZ, Li XG, Santini CL, Cui WP, Liu N, et al. Resazurin as an indicator of reducing capacity for analyzing the physiologic status of deep-sea bacterium Photobacterium phosphoreum ANT-2200. Journal of Oceanology and Limnology. 2020.?

20. Li XG, Zhang WJ, Qi XQ, Wu LF. Genome analysis of Crassaminicella sp. SY095, an anaerobic mesophilic marine bacterium isolated from a deep-sea hydrothermal vent on the Southwest Indian Ridge. Marine Genomics. 2020;52.?

21.?Zhang C, Zhang WJ, Yin QJ, Li XG, Qi XQ, Wu LF. Distinct influence of trimethylamine N-oxide and high hydrostatic pressure on community structure and culturable deep-sea bacteria. Journal of Oceanology and Limnology. 2019.?

22.?李學(xué)恭, 張維佳, 周麗紅, 蔡鳳海, 吳龍飛. 不同降壓過(guò)程對(duì)深海海水中可培養(yǎng)細(xì)菌群落組成的影響. 微生物學(xué)報(bào) 2019; 59:10.

23.?Yin QJ, Zhang WJ, Qi XQ, Zhang SD, Jiang T, Li XG, et al. High Hydrostatic Pressure Inducible Trimethylamine N-Oxide Reductase Improves the Pressure Tolerance of Piezosensitive Bacteria Vibrio fluvialis. Frontiers in Microbiology. 2018;8.

24.?Yin QJ, Zhang WJ, Li XG, Zhou LH, Qi XQ, Zhang C, et al. Contribution of trimethylamine N-oxide on the growth and pressure tolerance of deep-sea bacteria. Journal of Oceanology and Limnology. 2019;37(1):210-22.

25.?Zhang WJ, Cui XH, Chen LH, Yang J, Li XG, Zhang C, et al. Complete genome sequence of Shewanella benthica DB21MT-2, an obligate piezophilic bacterium isolated from the deepest Mariana Trench sediment. Marine Genomics. 2019;44:52-56.

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