H-Aquil: a chemically defined cell culture medium for trace metal studies in Vibrios and other marine heterotrophic bacteria

H-Aquil: a chemically defined cell culture medium for trace metal studies in Vibrios and other marine heterotrophic bacteria
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H-Aquil:一种化学成分确定的细胞培养基,用于弧菌和其他海洋异养细菌的痕量金属研究

DOI:
10.1007/s10534-019-00215-2
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发表时间:
2019
期刊:
影响因子:
3.5
通讯作者:
McRose, Darcy L.
McRose, Darcy L.
中科院分区:
生物学3区
文献类型:
--
作者:
Martocello, Donald E.;Morel, François M.;McRose, Darcy L.

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相似文献

海洋微生物需要多种微量金属,其中最重要的是铁(Fe)。化学成分确定的培养基配方已被用于研究浮游植物几十年,但类似的方法还没有被广泛采用的海洋异养细菌的研究。这些微生物的培养基配方通常包括胰蛋白胨、酪蛋白氨基酸以及酵母和动物提取物。这些成分引入了未知浓度的微量元素和有机化合物,使金属形态复杂化。利用已知碳和氮源的基本培养基配方确实存在,但通常具有高背景痕量金属浓度。在这里,我们提出了H-Aquil,一个版本的浮游植物介质Aquil适应海洋异养细菌。该培养基由补充有碳源、磷酸盐、氨基酸和维生素的人工海水组成。与Aquil一样,使用合成螯合剂EDTA控制痕量金属。我们还解决了EDTA毒性的问题,表明浓度高达100 µM EDTA不会导致共生细菌哈维氏弧菌或寡营养细菌的生长缺陷,而寡营养细菌则是SAR 11进化枝的成员之一。H-Aquil成功地用于培养弧菌、铜绿假单胞菌和硅杆菌以及几种环境分离株。我们报告了一个显着的增长率与或不添加铁生长的培养物之间的下降,使介质适合进行铁限制研究,在各种海洋异养细菌。
A variety of trace metals, including prominently iron (Fe) are necessary for marine microorganisms. Chemically defined medium recipes have been used for several decades to study phytoplankton, but similar methods have not been adopted as widely in studies of marine heterotrophic bacteria. Medium recipes for these organisms frequently include tryptone, casamino acids, as well as yeast and animal extracts. These components introduce unknown concentrations of trace elements and organic compounds, complicating metal speciation. Minimal medium recipes utilizing known carbon and nitrogen sources do exist but often have high background trace metal concentrations. Here we present H-Aquil, a version of the phytoplankton medium Aquil adapted for marine heterotrophic bacteria. This medium consists of artificial seawater supplemented with a carbon source, phosphate, amino acids, and vitamins. As in Aquil, trace metals are controlled using the synthetic chelator EDTA. We also address concerns of EDTA toxicity, showing that concentrations up to 100 µM EDTA do not lead to growth defects in the copiotrophic bacteriumVibrio harveyior the oligotrophic bacteriumCandidatusPelagibacter ubique HTCC1062, a member of the SAR11 clade. H-Aquil is used successfully to culture species ofVibrio,Phaeobacter, andSilicibacter, as well as several environmental isolates. We report a substantial decrease in growth rate between cultures grown with or without added Fe, making the medium suitable for conducting Fe-limitation studies in a variety of marine heterotrophic bacteria.
特里托尼弧菌 (Vibrios tritonius sp.) 的析氢。
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者:
Dahms;H.-U.;Hagiwara;A.;Lee;J.-S.;赤松友成;Y.Matsumura・T.Sawabe・他5名
通讯作者: Y.Matsumura・T.Sawabe・他5名
DOI: 10.1099/00221287-59-2-263
发表时间: 1969-01-01
期刊: JOURNAL OF GENERAL MICROBIOLOGY
影响因子: --
作者:
BROWN, MRW;MELLING, J
通讯作者: MELLING, J
培养物中的Trichodesmium 和相关细菌获取铁。
DOI: 10.1111/j.1462-2920.2011.02653.x
发表时间: 2012
影响因子: 5.1
作者:
Kelly L. Roe;K. Barbeau;Elizabeth L. Mann;M. Haygood
通讯作者: M. Haygood
DOI: 10.1073/pnas.53.4.745
发表时间: 1965-01-01
影响因子: 11.1
作者:
LEIVE, L
通讯作者: LEIVE, L
组织培养中哺乳动物细胞(L 株)的特定氨基酸需求。
DOI: 10.1016/s0021-9258(18)70932-0
发表时间: 1955
期刊: The Journal of biological chemistry
影响因子: --
作者:
H. Eagle
通讯作者: H. Eagle