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Endophytic Actinobacteria Associated with Mycorrhizal Spores and Their Benefits to Plant Growth

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Endophytes: Mineral Nutrient Management, Volume 3

Part of the book series: Sustainable Development and Biodiversity ((SDEB,volume 26))

Abstract

Actinobacteria are a large group of Gram-positive bacteria with a unique high G + C content(%) in their genome. They are best known as major producers of bioactive compounds in particular secondary metabolites. Arbuscular mycorrhiza or endomycorrhiza are the most common symbionts between plant roots and fungi with long historical practices in agriculture. Recently, it has become apparent that there are actinobacteria live in association with arbuscular mycorrhizal spores as “endophytes.” This special niche harbors diverse actinobacterial taxa with potential in the production of plant growth-promoting substances. The application of some of these actinobacteria exhibited growth enhancement in several plant species including those grown under abiotic and biotic stresses. Plant growth-promoting properties are common within members of actinobacteria occurring endophytically in mycorrhizal spores. A study of Streptomyces from Funneliformis mosseae spores to alleviate adverse effects of drought on Thai jasmine rice KDML105 is a neat evidence of its potential to promote plant growth sustainably. The diversity of endophytic actinobacteria from mycorrhizal spores and their possible application in agriculture as plant growth promoters are the main focus of this chapter.

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Correspondence to Wasu Pathom-aree .

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Lasudee, K., Rangseekaew, P., Pathom-aree, W. (2021). Endophytic Actinobacteria Associated with Mycorrhizal Spores and Their Benefits to Plant Growth. In: Maheshwari, D.K., Dheeman, S. (eds) Endophytes: Mineral Nutrient Management, Volume 3. Sustainable Development and Biodiversity, vol 26. Springer, Cham. https://doi.org/10.1007/978-3-030-65447-4_10

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