Characteristics and biodiversity of endophytic phosphorus- and potassium-solubilizing bacteria in Moso Bamboo (<i>Phyllostachys edulis</i>)

Yuan, Zong-Sheng; Liu, Fang; Zhang, Guofang

doi:10.1556/018.66.2015.4.9

Cited by 24 publications

(15 citation statements)

References 19 publications

(11 reference statements)

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“…subtilis EPP65, B. cereus EPP5, and B. cereus EPP71 have been reported as antagonistic endophytes in pearl millet host. These results are in conformity with previous published research findings of Ramesh et al [83], Yuan et al [84], and Nair and Padmavathy [85] that highlighted the K and Zn solubilizing potential of endophytic Bacillus strains. There might be a possibility that seed soaking with endophytic strain of Bacillus can result in rapid introduction, penetration, and colonization of internal sections of root radicals, as observed by Algam et al [86].…”

Section: Discussionsupporting

confidence: 93%

Plant growth promoting and antifungal activity in endophytic Bacillus strains from pearl millet (Pennisetum glaucum)

et al. 2019

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Bacterial endophytes are well known inhabitants of living plant system and perform important assignments in maintaining plant growth and health. Currently, limited reports are available on the endophytes of pearl millet (Pennisetum glaucum) reflecting antagonistic and plant growth promoting (PGP) attributes. Therefore, the major objectives of current investigation were to identify antagonistic strains of endophytic Bacillus from pearl millet and further illustrate their PGP capabilities. In this study, 19 endophytic Bacillus strains (EPP5,

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Section: Discussionsupporting

confidence: 93%

Plant growth promoting and antifungal activity in endophytic Bacillus strains from pearl millet (Pennisetum glaucum)

et al. 2019

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“…It has been reported that Bacillus and Pseudomonas are the most abundant strains of KSB isolated from the crop rhizosphere [20]. Inoculation with Enterobacter bacterial strains, which had strong activities for solubilizing potassium, was found to facilitate the mobilization of potassium efficiently in plants, when feldspar was added to the soil [46]. Interestingly, 25 Enterobacter isolates were found in S2 and S3, in comparison with one isolate in S1, meaning that the growth of Enterobacter is affected by the utilization of fertilizer.…”

Section: Discussionmentioning

confidence: 99%

Differences in Distribution of Potassium-Solubilizing Bacteria in Forest and Plantation Soils in Myanmar

Dong

Wang

et al. 2019

IJERPH

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Potassium (K) has been recognized as an essential element in intensive agricultural production systems, and deficiency of K usually results in a decrease in crop yields. The utilization of potassium-solubilizing bacteria (KSB) to increase the soluble K content in soil has been regarded as a desirable pathway to increase plant yields. Following the inoculation of KSB in the soil, potassium can be released (in the form of K+) and consumed by plants. This study aims to investigate and compare the distribution characteristics of potassium-solubilizing bacteria between forest and plantation soils in Myanmar. In this study, 14 KSB strains were isolated from rhizosphere samples collected from forest soil, as well as fertilized rubber tree rhizosphere soil and fertilized bare soil from a plantation. Broadleaf forests with high levels of canopy cover mainly comprised the forest environment, and rubber trees were planted in the plantation environment. The Chao and abundance-based coverage estimator (ACE) indices showed that the microbial abundance of the plantation soil was higher than that of the forest soil. According to the Illumina MiSeq sequencing analysis results, the Shannon index of the forest soil was lower while the Simpson index was higher, which demonstrated that the microbial diversity of the forest soil was higher than that of the plantation soil. Potassium-solubilizing test results showed that the strains E, I, M, and N were the most effective KSB under liquid cultivation conditions. Additionally, KSB only accounted for less than 5.47% of the total bacteria detected in either of the sample types, and the distribution of dominant KSB varied with the soil samples. As another result, the abundance of Pseudomonas spp. in S1 was higher than in S2 and S3, indicating a negative impact on the growth of Pseudomonas in the fertilized rubber tree rhizosphere soil. The significance of our research is that it proves that the increasing use of KSB for restoring soil is a good way to reduce the use of chemical fertilizers, which could further provide a relatively stable environment for plant growth.

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“…Research on various plant species, including Arabidopsis thaliana (eudicot) ( Bai et al, 2015 ), rice ( Zhang et al, 2019 ; Kim and Lee, 2020 ), sorghum ( Emmett et al, 2017 ) (monocot) and Cycas panzhihuaensis (gymnosperm) ( Zheng and Gong, 2019 ) has revealed that plant compartments, environmental conditions and host phylogeny are the most predominant factors influencing plant-microbial consortia ( Bouffaud et al, 2014 ). Diverse microbes have been found in bamboo leaves, rhizomes, roots, and seeds ( Shen et al, 2014 ; Liu et al, 2017 ) based on culture-dependent and independent methods ( Yuan et al, 2015a ; Debnath et al, 2018 ), some of which were endophytic phosphorus- and potassium-solubilizing bacteria ( Yuan et al, 2015b ; Yuan et al, 2018 ). The photosynthetic rate, transpiration rate, and stomatal conductance in Phyllostachys edulis treated with these growth-promoting bacteria were all higher than in the control groups ( Yuan et al, 2018 ).…”

Section: Introductionmentioning

confidence: 99%

“…A small amount of research concerning bamboos and their associated microbes have been conducted previously, revealing that different bamboo species are colonized by various endophytes ( Han et al, 2009 ; Xu et al, 2014 ), some of which were growth-promoting bacteria capable of dissolving phosphorus and potassium as well as fixing nitrogen ( Yuan et al, 2015b , 2018 ). However, these researches were largely culture-dependent and restricted to single or few species, likely to underestimate the exact diversity and composition of bamboo endophytes.…”

Section: Introductionmentioning

confidence: 99%

Niche Specialization and Functional Overlap of Bamboo Leaf and Root Microbiota

Lin

2020

Front. Microbiol.

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Leaves and roots harbor taxonomically diverse bacterial assemblages which enhance plant growth and performance by increasing nutrient supply and resistance to stress. An extensive investigation of bacterial diversity and composition between leaf and root microbiota of 15 bamboo species differing in rhizome types, lifeforms and sampling sites were conducted by high-through sequencing. The alpha diversity between leaf and root microbiota was not significantly different, whereas, their beta diversity differed remarkably. Niche specialization mainly in species from Actinobacteria was detected which prefer to colonize in roots than leaves. Community structure of leaf microbiota was highly resembled, however, the phylogeny inferred by host's chloroplast data was incongruent with microbiota dendrogram, indicating that phylosymbiosis didn't occur in bamboos and their associated microbiota. Large overlap in functional profiling of leaf and root-associated microbiota was found. Accordingly, we proposed that environmental conditions, structural variation and physiological differences between leaves and roots worked collaboratively for divergence of bamboo microbiota. This study confers to a robust knowledge of bamboo-microbe interaction and provides a list of bacterial lineages for investigation into specific plant-microbe interaction information of which could be used to enhance agricultural and forest productivity.

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Characteristics and biodiversity of endophytic phosphorus- and potassium-solubilizing bacteria in Moso Bamboo (Phyllostachys edulis)

Cited by 24 publications

References 19 publications

Plant growth promoting and antifungal activity in endophytic Bacillus strains from pearl millet (Pennisetum glaucum)

Plant growth promoting and antifungal activity in endophytic Bacillus strains from pearl millet (Pennisetum glaucum)

Differences in Distribution of Potassium-Solubilizing Bacteria in Forest and Plantation Soils in Myanmar

Niche Specialization and Functional Overlap of Bamboo Leaf and Root Microbiota

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