陈琨,黄湾,廖永山,杨创业,王庆恒

• 1:广东海洋大学水产学院
• 2:广东海洋大学珍珠研究所
• 3:广东省海水养殖生物育种工程实验室

摘要(Abstract)：

【目的】了解马氏珠母贝(Pinctada fucata martensii)肠道及其养殖水体可培养细菌的群落组成。【方法】采用2216E平板涂布法研究海区养殖马氏珠母贝肠道与养殖水体的可培养菌群种类及丰度。【结果与结论】马氏珠母贝肠道及其养殖水体的可培养细菌归属于2门(变形菌门和厚壁菌门)3纲7目10科23属56种。属水平上,肠道中以弧菌属(74.7%)和假交替单胞菌属(18.7%)为主;养殖水体中α-变形菌纲的FJ943236_g属(40.7%)丰度最大,弧菌属(16.7%)相对肠道丰度较低。样品共有菌属为弧菌属、假交替单胞菌属、发光杆菌属和芽孢杆菌属;肠道特有菌属为希瓦氏菌属和盐单胞菌属;养殖水体特有菌属主要为FJ943236_g、鲁杰氏菌属和Nautella。在种水平上,7个种为二者共有;马氏珠母贝肠道和养殖水体特异性菌种分别为18个和31个。虽然门水平上马氏珠母贝肠道中可培养细菌群落与其养殖水体中的细菌群落大致相似,但在属、种水平上二者差异明显。

关键词(KeyWords)： 马氏珠母贝;肠道菌群;养殖水体菌群;16S rRNA基因

Abstract:

Keywords:

基金项目(Foundation): 广东省自然科学基金(2020A151501691);; 广东省现代农业产业技术体系贝藻类产业创新团队(2019KJ146)

作者(Author): 陈琨,黄湾,廖永山,杨创业,王庆恒

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