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首页> 外文期刊>Plant and Soil >A study of the symbiotic importance and location of nod gene inducing compounds in two widely nodulating and two non-nodulating tropical tree species.
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A study of the symbiotic importance and location of nod gene inducing compounds in two widely nodulating and two non-nodulating tropical tree species.

机译：对两个广泛结瘤和两个非结瘤热带树种中nod基因诱导化合物的共生重要性和位置的研究。

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摘要

Extracts and exudates of different parts of seedlings of the widely-nodulating Acacia seyal and Faidherbia albida and the non-nodulating A. greggii and A. brevispica were tested for their ability to induce a nod::lacZ fusion in a reporter plasmid which had been introduced into 25 rhizobial isolates of other legumes. The two non-nodulating species were found to lack neither the ability to produce potentially nod gene-inducing compounds nor the means to exude them into the rhizosphere. However, it was demonstrated, through the distribution of potentially inducing compounds within the plants and their exudates, that the components of tissue extracts did not necessarily reflect the components exuded into the rhizosphere.
机译：测试了广泛结瘤的金合欢和白头粉虱和非结节的A. greggii和A. brevispica幼苗不同部位的提取物和分泌物诱导报告质粒中nod :: lacZ融合的能力。被引入其他豆科植物的25种根瘤菌分离物中。发现这两个非结瘤物种既没有产生潜在的诱导点基因的化合物的能力，也没有将它们散发到根际的手段。但是，通过在植物及其渗出液中分布潜在的诱导性化合物，证明了组织提取物的成分并不一定反映渗出到根际中的成分。

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