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首页> 外文期刊>The Open Ornithology Journal >An Assessment of the Microbial Diversity Present on the Surface of Naturally Incubated House Wren Eggs
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An Assessment of the Microbial Diversity Present on the Surface of Naturally Incubated House Wren Eggs

机译：自然孵化的W鸡蛋表面微生物多样性的评估

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During ovipositioning, avian eggshells become susceptible to bacterial and fungal growth and studies haveshown that a community of these microorganisms, or microflora, is maintained on eggshells throughout the incubationprocess. To determine the possible role of these microorganisms on embryonic development, it is first important to understandthe composition of the microbial community present on the surface of the egg. A limited amount of studies havebeen published in this area; thus, the objective of this study was to broaden this area of study and determine what bacterialcommunities are found on the surface of naturally-incubated House Wren eggs across three stages of incubation (pre,early, and late) as defined by egg temperature. Our data uniquely suggest that the eggshell microflora is dynamic and thatthis may be regulated by temperature fluctuations due to intermittent incubation behavior. Using culture-based techniques,46 different bacterial species were identified belonging to 13 bacterial families and 20 genera. The majority of bacteria belongedto the Pseudomonas, Staphylococcus, Stenotrophomonas, or Burkholderia genera and have been previously associatedwith avian eggs and nests. Bacteria within the Pseudomonas genus were the most predominant and we hypothesizethat their maintenance may be linked to their ability to produce antibiotic substances called bacteriocins. The bacterialcomposition of the microflora isolated in this study also suggests that avian egg microfloras are derived from environmentalorigins.
机译：在产卵过程中，禽蛋壳易受细菌和真菌生长的影响，研究表明，在整个孵化过程中，这些微生物或微生物群落都保持在蛋壳上。为了确定这些微生物在胚胎发育中的可能作用，首先重要的是要了解卵表面微生物群落的组成。在这一领域已经发表了有限的研究。因此，本研究的目的是拓宽研究范围，并确定在整个孵化过程中（由蛋温度决定的）三个阶段（早，早和晚），在自然孵化的House Wren卵表面发现哪些细菌群落。我们的数据独特地表明，蛋壳微生物区系是动态的，这可能是由于间歇性孵育行为引起的温度波动所调节。使用基于培养的技术，鉴定出属于13个细菌科和20属的46种不同细菌。大多数细菌属于假单胞菌，葡萄球菌，嗜单胞菌或伯克霍尔德氏菌属，以前与禽蛋和巢有关。假单胞菌属中的细菌是最主要的，我们假设它们的维持可能与其产生称为细菌素的抗生素物质的能力有关。在这项研究中分离出的菌群的细菌组成还表明，禽蛋菌群来源于环境起源。

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