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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Production of indole-3-acetic acid by immobilized actinomycete (Kitasatospora sp.) for soil applications
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Production of indole-3-acetic acid by immobilized actinomycete (Kitasatospora sp.) for soil applications

机译：通过固定化放线菌（Kitasatospora sp。）生产土壤用吲哚-3-乙酸

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摘要

Soil isolate Kitasatospora sp., an indole-3-acetic acid (IAA) producing strain was encapsulated in calcium alginate bead for soil applications. It was studied for growth pattern culturally, as well as by optical and scanning electron microscopy. The surface of the bead was found to be teaming with mycelial microcolonies showing hyphae formation initially and sporulation by the seventh day of entrapment. The immobilized cells produced higher concentration of IAA over a prolonged period compared to free cells. Similar results were also found when the free and entrapped cells were inoculated in sterile and simulated soil. Kitasatospora sp. demonstrated fairly good tolerance to adverse environmental conditions, viz. pH, temperature, salinity and heavy metals, particularly under encapsulation, rendering it suitable for application under variable soil conditions.
机译：将土壤分离物Kitasatospora sp。（一种吲哚-3-乙酸（IAA）产生菌株）封装在藻酸钙珠粒中，用于土壤应用。在文化上以及通过光学和扫描电子显微镜对它的生长方式进行了研究。发现珠的表面与菌丝微菌落结合在一起，菌丝菌落最初显示出菌丝形成，而在捕获的第七天则形成孢子形成。与游离细胞相比，固定化细胞在更长的时间内产生了更高浓度的IAA。当将游离和截留的细胞接种在无菌和模拟土壤中时，也发现了相似的结果。 Kitasatospora sp。对不利的环境条件表现出相当好的耐受力，即。 pH值，温度，盐度和重金属，特别是在封装条件下，使其适合在各种土壤条件下使用。

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