Biodiversity Of Marine Yeasts Isolated From Coral Sand In Truong Sa Archipelago, Khanh Hoa Province, Vietnam

Q2 Agricultural and Biological Sciences Geography, Environment, Sustainability Pub Date : 2023-04-07 DOI:10.24057/2071-9388-2022-034
T. T. Do Hong, H. Nguyen, V. Le Thang, T. Nguyen Thanh, X. T. Phan
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Abstract

Truong Sa archipelago of Vietnam are very diverse in microorganisms, however, compared to aquatic microorganisms (sea water, sediment, etc) terrestrial microorganisms (soil, coral sand, etc) has received little attention. This study focuses on assessing the biodiversity of marine yeasts in coral sand samples collected at some islands in Truong Sa archipelago. From nine coral sand samples collected at three islands: Song Tu island (three samples), Sinh Ton island (three samples), Truong Sa island (three samples), twenty – four strains of marine yeasts were isolated. The number of marine yeast strains isolated in Truong Sa island was the highest (ten strains). Sample CS9 had the highest number of strains. These strains were grouped into eight groups based on colony and cell morphology and fourteen groups by DNA fingerprinting. The results showed that there are strains in the same group according to morphology but belong to two different groups according to fingerprinting. Otherwise, some strains have different morphology but are grouped according to fingerprinting. The fourteen yeast strains representing groups by DNA fingerprinting were closely related to fourteen different yeast species and belong to ten yeast genera (Yamadazyma, Candida, Trichosporon, Saccharomyces, Kodamaea, Rhodotorula, Rhodosporidium, Aureobasidium, Meyerozyma, Pichia). Among them, the genus Candida accounted for the highest number. This is the first study on marine yeasts in coral sand in Truong Sa archipelago, Vietnam. This study can be a premise for further studies on marine yeast in different fields such as medicine, agriculture, environment, etc.
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越南庆化省长沙群岛珊瑚沙中分离的海洋酵母的生物多样性
越南Truong Sa群岛的微生物非常多样,然而,与水生微生物(海水、沉积物等)相比,陆地微生物(土壤、珊瑚沙等)很少受到关注。本研究的重点是评估在Truong Sa群岛一些岛屿采集的珊瑚沙样本中海洋酵母的生物多样性。从宋都岛(三个样本)、新东岛(三份样本)、川沙岛(三张样本)三个岛屿采集的九份珊瑚沙样本中,分离出二十四株海洋酵母。Truong Sa岛分离的海洋酵母菌株数量最多(10株)。样品CS9具有最高数量的菌株。这些菌株根据菌落和细胞形态分为8组,通过DNA指纹分为14组。结果表明,从形态上看,菌株属于同一组,但从指纹图谱上看,属于两个不同的组。否则,一些菌株具有不同的形态,但根据指纹图谱进行分组。通过DNA指纹分析,代表群体的14个酵母菌株与14个不同的酵母物种密切相关,分属10个酵母属(山达菌属、念珠菌属、毛孢菌属、酵母属、Kodamaea属、红酵母属、红孢子虫属、Aureobasidium属、Meyerozyma属、毕赤酵母属)。其中念珠菌属的数量最多。这是首次对越南Truong Sa群岛珊瑚沙中的海洋酵母进行研究。本研究为海洋酵母在医学、农业、环境等领域的进一步研究提供了前提。
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来源期刊
Geography, Environment, Sustainability
Geography, Environment, Sustainability Social Sciences-Geography, Planning and Development
CiteScore
2.50
自引率
0.00%
发文量
37
审稿时长
12 weeks
期刊介绍: Journal “GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY” is founded by the Faculty of Geography of Lomonosov Moscow State University, The Russian Geographical Society and by the Institute of Geography of RAS. It is the official journal of Russian Geographical Society, and a fully open access journal. Journal “GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY” publishes original, innovative, interdisciplinary and timely research letter articles and concise reviews on studies of the Earth and its environment scientific field. This goal covers a broad spectrum of scientific research areas (physical-, social-, economic-, cultural geography, environmental sciences and sustainable development) and also considers contemporary and widely used research methods, such as geoinformatics, cartography, remote sensing (including from space), geophysics, geochemistry, etc. “GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY” is the only original English-language journal in the field of geography and environmental sciences published in Russia. It is supposed to be an outlet from the Russian-speaking countries to Europe and an inlet from Europe to the Russian-speaking countries regarding environmental and Earth sciences, geography and sustainability. The main sections of the journal are the theory of geography and ecology, the theory of sustainable development, use of natural resources, natural resources assessment, global and regional changes of environment and climate, social-economical geography, ecological regional planning, sustainable regional development, applied aspects of geography and ecology, geoinformatics and ecological cartography, ecological problems of oil and gas sector, nature conservations, health and environment, and education for sustainable development. Articles are freely available to both subscribers and the wider public with permitted reuse.
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