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首页> 外文期刊>Mycologia >PATTERNS OF FUNGAL COMMUNITIES THAT INHABIT RODENT FOOD STORES - EFFECT OF SUBSTRATE AND INFECTION TIME
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PATTERNS OF FUNGAL COMMUNITIES THAT INHABIT RODENT FOOD STORES - EFFECT OF SUBSTRATE AND INFECTION TIME

机译：禁用啮齿类食物商店的真菌群落模式-基质和感染时间的影响

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We studied the spatial diversity of microfungal communities through time in the food stores of three rodent species at two climatically different locations. Although the microfungal species composition and environmental conditions differed considerably among the rodents' food stores, microfungal diversity was very similar when assessed on one standardized substrate (sorghum seeds) placed in food stores of all three rodent species. This suggests that changes in the chemistry and composition of food items are largely responsible for controlling most of the fungal diversity within a food store. Newly stored food items placed within the dens were quickly infected by an array of transient microbial species that were, in turn, gradually replaced by a few competitively dominant species. Increases in microfungal diversity appeared to follow a change or disturbance of microbial resources (e.g., seasonal rains, restocking of food stores). The variability and abundance of resources, and disturbance events may be the principal reason that rodent dens are hot spots for microbial diversity. [References: 43]
机译：我们研究了在两个气候不同位置的三种啮齿动物物种的食物中随时间变化的微真菌群落的空间多样性。尽管在啮齿动物的食物储藏室中，微真菌的种类组成和环境条件差异很大，但是当在所有三种啮齿动物的食物储藏室中放置的一种标准化基质（高粱种子）进行评估时，微真菌的多样性非常相似。这表明食品化学和组成的变化在很大程度上控制着食品商店内大多数真菌的多样性。放置在巢穴中的新存储食品很快被一系列瞬态微生物所感染，而这些微生物又逐渐被一些竞争优势种所取代。微真菌多样性的增加似乎是随着微生物资源的变化或干扰（例如季节性降雨，食品储存库的增加）而引起的。资源的多变性和丰富性以及干扰事件可能是啮齿动物窝成为微生物多样性热点的主要原因。 [参考：43]

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