Biochemical characterization of individual and combined plant growth-promoting microorganisms

IF 0.8 Q3 AGRICULTURE, MULTIDISCIPLINARY Pesquisa Agropecuaria Tropical Pub Date : 2023-08-04 DOI:10.1590/1983-40632023v5375376

A. Nascente, Zainab Temitope Ishola, M. Filippi, M. A. Silva, D. R. C. Cruz, Gustavo de Andrade Bezerra

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Abstract

ABSTRACT The increasing demand for using microorganisms in agriculture to improve food production requires constantly assessing microbial diversity. This study aimed to investigate the biochemical properties of individual and combined multifunctional microorganisms, as well as to identify potential applications in biotechnology or agriculture. The experiment comprised 29 treatments, with 7 single and 21 combined microorganisms: M01 (Serratia marcescens), M02 (Bacillus toyonensis), M03 (Phanerochaete australis), M04 (Trichoderma koningiopsis), M05 (Azospirillum brasilense), M06 (Azospirillum sp.), M07 (Bacillus sp.), M08 to M28 (combination among these microorganisms) and M29 (control - no microorganisms). All the single and combined treatments assimilated nitrogen, produced siderophores and indoleacetic acid and solubilized phosphate. Only the treatments M04, M13 and M26 produced HCN. Additionally, all treatments, except for M03, produced biofilm. Only M03, M07, M09, M10, M12 and M13 solubilized potassium.

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促进植物生长的微生物个体和组合的生化特性

在农业中使用微生物来提高粮食生产的需求日益增加，需要不断评估微生物多样性。本研究旨在探讨单个和组合多功能微生物的生化特性，并确定其在生物技术或农业中的潜在应用。试验共设29个处理，分别为M01(粘质沙雷氏菌)、M02 (toyonensis芽孢杆菌)、M03(南方平革菌)、M04 (koningiopsis木霉)、M05(巴西偶氮螺旋菌)、M06(偶氮螺旋菌sp.)、M07(芽孢杆菌sp.)、M08 ~ M28(这些微生物的组合)和M29(对照-无微生物)7种单一微生物和21种组合微生物。单独处理和联合处理均能同化氮，产生铁载体和吲哚乙酸，并能溶解磷酸盐。只有M04、M13和M26处理产生HCN。此外，除M03外，所有处理均产生生物膜。只有M03、M07、M09、M10、M12和M13能溶解钾。

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