Arthrobacter sp. UMCV2, and its compound N,N-dimethylhexadecilamine promote nodulation in Medicago truncatula by Sinorhizobium medicae

IF 1.8 4区生物学 Q4 MICROBIOLOGY

Revista Argentina de microbiologia Pub Date : 2024-07-01 DOI:10.1016/j.ram.2024.03.004

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Abstract

The actinobacterium Arthrobacter sp. UMCV2 promotes plant growth through the emission of N,N-dimethylhexadecilamine (DMHDA). The Medicago–Sinorhizobium nodulation has been employed to study symbiotic nitrogen fixation by rhizobia in nodulating Fabaceae. Herein, we isolated three Sinorhizobium medicae strains that were used to induce nodules in Medicago truncatula. The co-inoculation of M. truncatula with Arthrobacter sp. strain UMCV2 produced a higher number of effective nodules than inoculation with only Sinorhizobium strains. Similarly, the exposure of inoculated M. truncatula to DMHDA produced a greater number of effective nodules compared to non-exposed plants. Thus, we conclude that Arthrobacter sp. UMCV2 promotes nodulation, and propose that this effect is produced, at least partly, via DMHDA emission.

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节杆菌 UMCV2 及其化合物 N,N-二甲基十六烷基二胺可促进药用中部单胞菌（Sinorhizobium medicae）在蔓生美智子（Medicago truncatula）中的结球作用。

放线菌 Arthrobacter sp. UMCV2 通过释放 N,N-二甲基十六胺（DMHDA）促进植物生长。人们利用美达甘子-星状单胞菌（Medicago-Sinorhizobium）的结节来研究根瘤菌在豆科植物结节中的共生固氮作用。在此，我们分离了三株药用中尼氏菌（Sinorhizobium medicae），用于诱导美智子（Medicago truncatula）结瘤。与只接种单胞菌菌株相比，共同接种节杆菌菌株 UMCV2 能产生更多的有效结核。同样，接种后的 M. truncatula 与未接种的植物相比，暴露于 DMHDA 会产生更多的有效瘤。因此，我们得出结论：节杆菌 UMCV2 能促进结瘤，并认为这种效应至少部分是通过 DMHDA 的释放产生的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Revista Argentina de microbiologia MICROBIOLOGY-

CiteScore

3.30

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： La Revista Argentina de Microbiología es una publicación trimestral editada por la Asociación Argentina de Microbiología y destinada a la difusión de trabajos científicos en las distintas áreas de la Microbiología. La Asociación Argentina de Microbiología se reserva los derechos de propiedad y reproducción del material aceptado y publicado.