Biodiversity of Culturable Endophytic Actinobacteria Isolated from High Yield <i>Camellia oleifera</i> and Their Plant Growth Promotion Potential

<i>Camellia oleifera</i> Abel. is one of the world’s four famous woody oil trees and has drawn increasing attention because of its high commercial value. Endophytes are microorganisms inhabiting inside plant tissues, and their functions vary with the change of host status and environment...

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Autores principales:	Ting Xu, Kunpeng Cui, Jiawei Chen, Rui Wang, Xiangnan Wang, Longsheng Chen, Zhen Zhang, Zhilong He, Caixia Liu, Wei Tang, Yonghua Zhu, Yongzhong Chen
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	<i>Camellia oleifera</i> endophytic actinobacteria biodiversity plant growth promotion Agriculture (General) S1-972
Acceso en línea:	https://doaj.org/article/c7ce8721e7344663b994d58bb8787217
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spelling	oai:doaj.org-article:c7ce8721e7344663b994d58bb87872172021-11-25T16:00:51ZBiodiversity of Culturable Endophytic Actinobacteria Isolated from High Yield <i>Camellia oleifera</i> and Their Plant Growth Promotion Potential10.3390/agriculture111111502077-0472https://doaj.org/article/c7ce8721e7344663b994d58bb87872172021-11-01T00:00:00Zhttps://www.mdpi.com/2077-0472/11/11/1150https://doaj.org/toc/2077-0472<i>Camellia oleifera</i> Abel. is one of the world’s four famous woody oil trees and has drawn increasing attention because of its high commercial value. Endophytes are microorganisms inhabiting inside plant tissues, and their functions vary with the change of host status and environmental parameters. To deepen our understanding of the interactions between <i>C. oleifera</i> and their endophytic actinobacteria, the present study investigated the four endophytic actinobacterial composition-residing high-yield <i>C. oleifera</i> trees. A total of 156 endophytic actinobacterial isolates were obtained distributed in 17 genera. Among them, <i>Streptomyces</i> was the dominant endophytic actinobacteria, followed by <i>Nocardia</i>, <i>Amycolatopsis</i>, <i>Microbiospora</i>, <i>Micromonospora</i> and other rare actinobacteria genera. Soil characteristics including soil pH and organic matter were found to play crucial roles in shaping the endophytic actinobacterial community composition. Furthermore, all isolates were studied to determine their plant growth-promotion traits, 86.54% could produce Indole 3-Acetic Acid, 16.03% showed nitrogen-fixing, 21.15% showed phosphorus solubilizing, and 35.26% produced siderophore. Under the glasshouse condition, some isolates exhibited growth promotion effects on <i>C. oleifera</i> seedlings with significant increase in spring shoot length and ground diameter. Altogether, this study demonstrated that <i>C. oleifera</i> plants harbored a high diversity and novelty of culturable endophytic actinobacteria, which represent important potential as natural biofertilizers for the high production of <i>C. oleifera</i>.Ting XuKunpeng CuiJiawei ChenRui WangXiangnan WangLongsheng ChenZhen ZhangZhilong HeCaixia LiuWei TangYonghua ZhuYongzhong ChenMDPI AGarticle<i>Camellia oleifera</i>endophytic actinobacteriabiodiversityplant growth promotionAgriculture (General)S1-972ENAgriculture, Vol 11, Iss 1150, p 1150 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	<i>Camellia oleifera</i> endophytic actinobacteria biodiversity plant growth promotion Agriculture (General) S1-972
spellingShingle	<i>Camellia oleifera</i> endophytic actinobacteria biodiversity plant growth promotion Agriculture (General) S1-972 Ting Xu Kunpeng Cui Jiawei Chen Rui Wang Xiangnan Wang Longsheng Chen Zhen Zhang Zhilong He Caixia Liu Wei Tang Yonghua Zhu Yongzhong Chen Biodiversity of Culturable Endophytic Actinobacteria Isolated from High Yield <i>Camellia oleifera</i> and Their Plant Growth Promotion Potential
description	<i>Camellia oleifera</i> Abel. is one of the world’s four famous woody oil trees and has drawn increasing attention because of its high commercial value. Endophytes are microorganisms inhabiting inside plant tissues, and their functions vary with the change of host status and environmental parameters. To deepen our understanding of the interactions between <i>C. oleifera</i> and their endophytic actinobacteria, the present study investigated the four endophytic actinobacterial composition-residing high-yield <i>C. oleifera</i> trees. A total of 156 endophytic actinobacterial isolates were obtained distributed in 17 genera. Among them, <i>Streptomyces</i> was the dominant endophytic actinobacteria, followed by <i>Nocardia</i>, <i>Amycolatopsis</i>, <i>Microbiospora</i>, <i>Micromonospora</i> and other rare actinobacteria genera. Soil characteristics including soil pH and organic matter were found to play crucial roles in shaping the endophytic actinobacterial community composition. Furthermore, all isolates were studied to determine their plant growth-promotion traits, 86.54% could produce Indole 3-Acetic Acid, 16.03% showed nitrogen-fixing, 21.15% showed phosphorus solubilizing, and 35.26% produced siderophore. Under the glasshouse condition, some isolates exhibited growth promotion effects on <i>C. oleifera</i> seedlings with significant increase in spring shoot length and ground diameter. Altogether, this study demonstrated that <i>C. oleifera</i> plants harbored a high diversity and novelty of culturable endophytic actinobacteria, which represent important potential as natural biofertilizers for the high production of <i>C. oleifera</i>.
format	article
author	Ting Xu Kunpeng Cui Jiawei Chen Rui Wang Xiangnan Wang Longsheng Chen Zhen Zhang Zhilong He Caixia Liu Wei Tang Yonghua Zhu Yongzhong Chen
author_facet	Ting Xu Kunpeng Cui Jiawei Chen Rui Wang Xiangnan Wang Longsheng Chen Zhen Zhang Zhilong He Caixia Liu Wei Tang Yonghua Zhu Yongzhong Chen
author_sort	Ting Xu
title	Biodiversity of Culturable Endophytic Actinobacteria Isolated from High Yield <i>Camellia oleifera</i> and Their Plant Growth Promotion Potential
title_short	Biodiversity of Culturable Endophytic Actinobacteria Isolated from High Yield <i>Camellia oleifera</i> and Their Plant Growth Promotion Potential
title_full	Biodiversity of Culturable Endophytic Actinobacteria Isolated from High Yield <i>Camellia oleifera</i> and Their Plant Growth Promotion Potential
title_fullStr	Biodiversity of Culturable Endophytic Actinobacteria Isolated from High Yield <i>Camellia oleifera</i> and Their Plant Growth Promotion Potential
title_full_unstemmed	Biodiversity of Culturable Endophytic Actinobacteria Isolated from High Yield <i>Camellia oleifera</i> and Their Plant Growth Promotion Potential
title_sort	biodiversity of culturable endophytic actinobacteria isolated from high yield <i>camellia oleifera</i> and their plant growth promotion potential
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/c7ce8721e7344663b994d58bb8787217
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Biodiversity of Culturable Endophytic Actinobacteria Isolated from High Yield <i>Camellia oleifera</i> and Their Plant Growth Promotion Potential

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