Transcriptome Landscapes of Salt-Susceptible Rice Cultivar IR29 Associated with a Plant Growth Promoting Endophytic Streptomyces

Kruasuwan, Worarat; Lohmaneeratana, Karan; Munnoch, John; Vongsangnak, Wanwipa; Jantrasuriyarat, Chatchawan; Hoskisson, Paul A.; Thamchaipenet, Arinthip

doi:10.1186/s12284-023-00622-7

Cited by 13 publications

(11 citation statements)

References 78 publications

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“…The downregulation of Peroxidase (Solyc11g018774), PR5-x (Solyc08g080620) and Chitinase (Solyc10g055780) would be consistent with the activation of ISR by AtB-42. In several other experiments with streptomycetes, the alteration of the metabolisms of plant hormones such as abscisic, salicylic and jasmonic acids has been observed (Belt et al, 2021;Kruasuwan et al, 2023;Kurth et al, 2014;Vergnes et al, 2019;Wu et al, 2018).…”

Section: Discussionmentioning

confidence: 95%

Interactions between plant‐beneficial microorganisms in a consortium: Streptomyces microflavus and Trichoderma harzianum

Prigigallo

Staropoli

Vinale

et al. 2023

Microbial Biotechnology

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The construction of microbial consortia is challenging due to many variables to be controlled, including the cross‐compatibility of the selected strains and their additive or synergistic effects on plants. In this work, we investigated the interactions in vitro, in planta, and at the molecular level of two elite biological control agents (BCAs), that is Streptomyces microflavus strain AtB‐42 and Trichoderma harzianum strain M10, to understand their attitude to cooperate in a consortium. In vitro, we observed a strong cross‐antagonism between AtB‐42 and M10 in agar plates due to diffusible metabolites and volatile organic compounds. In liquid co‐cultures, M10 hindered the growth of AtB‐42 very likely because of secondary metabolites and strong competition for the nutrients. The interaction in the co‐culture induced extensive transcriptional reprogramming in both strains, especially in the pathways related to ribosomes, protein synthesis, and oxidoreductase activity, suggesting that each strain recognized the counterpart and activated its defence responses. The metabolome of both strains was also significantly affected. In contrast, in the soil, M10 growth was partially contrasted by AtB‐42. The roots of tomato seedlings inoculated with the consortium appeared smaller than the control and single‐strain‐inoculated plants, indicating that plants diverted some energy from the development to defence activation, as evidenced by the leaf transcriptome. The consortium induced a stronger transcriptional change compared to the single inoculants, as demonstrated by a higher number of differentially expressed genes. Although the cross‐antagonism observed in vitro, the two strains exerted a synergistic effect on tomato seedlings by inducing resistance responses stronger than the single inoculants. Our observations pose a question on the usefulness of the sole in vitro assays for selecting BCAs to construct a consortium. In vivo experiments should be preferred, and transcriptomics may greatly help to elucidate the activity of the BCAs beyond the phenotypic effects on the plant.

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Section: Discussionmentioning

confidence: 95%

Interactions between plant‐beneficial microorganisms in a consortium: Streptomyces microflavus and Trichoderma harzianum

Prigigallo

Staropoli

Vinale

et al. 2023

Microbial Biotechnology

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“…Genomic analysis of the whole genome sequence and transcriptomics would allow us to gain insights into the growth-promoting and salt-tolerance mechanisms of Sinomonas sp. ORF15-23, as exemplified in recent publications [28,29]. In other words, the use of promising ST-PGPR effectively mitigated the deleterious effect of excessive salinity levels.…”

Section: Discussionmentioning

confidence: 95%

Rhizoactinobacteria Enhance Growth and Antioxidant Activity in Thai Jasmine Rice (Oryza sativa) KDML105 Seedlings under Salt Stress

Chinachanta,

Shutsrirung,

Santasup

et al. 2023

Plants

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Salinity is one of the most devastating abiotic stresses hampering the growth and production of rice. Nine indole-3-acetic acid (IAA)-producing salt-tolerant plant-growth-promoting rhizobacteria (ST-PGPR) were inoculated into Thai jasmine rice (Oryza sativa L.) variety Khao Dawk Mali 105 (KDML105) seedlings grown under different concentrations of NaCl (0, 50, 100, and 150 mM). The ST-PGPR strains significantly promoted the growth parameters, chlorophyll content, nutrient uptake (N, P, K, Ca, and Mg), antioxidant activity, and proline accumulation in the seedlings under both normal and saline conditions compared to the respective controls. The K+/Na+ ratio of the inoculated seedlings was much higher than that of the controls, indicating greater salt tolerance. The most salt-tolerant and IAA-producing strain, Sinomonas sp. ORF15-23, yielded the highest values for all the parameters, particularly at 50 mM NaCl. The percentage increases in these parameters relative to the controls ranged from >90% to 306%. Therefore, Sinomonas sp. ORF15-23 was considered a promising ST-PGPR to be developed as a bioinoculant for enhancing the growth, salt tolerance, and aroma of KDML105 rice in salt-affected areas. Environmentally friendly technologies such as ST-PGPR bioinoculants could also support the sustainability of KDML105 geographical indication (GI) products. However, the efficiency of Sinomonas sp. ORF15-23 should be evaluated under field conditions for its effect on rice nutrient uptake and growth, including the 2AP level.

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“…The harvest index has a direct and positive effect on grain weight [49]. From after research explained that the IR29 variety is one of the saline-sensitive varieties but its production opportunities are high [50].…”

Section: Crop Production Aspectsmentioning

confidence: 99%

Growth and production of three wetland rice varieties on saline leached land with microbial consortium application

Badrudin,

Ghulamahdi,

Purwoko

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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The study for investigate the level production and growth for several varieties of paddy rice on washed saline land with microbial consortium treatment. The environmental design used factorial Randomized Group Design. The microbial consortium application (no microbial application, microbial application A, microbial application B, microbial application C), while the second factor of paddy rice varieties (Pokkali, Biosalin 2 Agritan, IR 29) and repeated three times. The data obtained were analyzed with the F test. If significantly different, then further test was conducted using DMRT 5%. The results showed that bleaching using fresh water decreased the value of electrical conductivity. The interaction between the treatment of the type of microbial consortium and the variety of paddy rice did not affect all observed variables, but the application of the type of microbial consortium independently differed between treatments on the growth component, namely the variable plant height and the best yield shown by Pokkali, while the production component had no effect. The treatment of the type of paddy rice varieties differed between treatments on both growth and production components and the best was Biosalin 2 Agritan of 5.80 tons.ha−1, IR 29 4.37 tons.ha−1, and Pokkali 2.96 tons.ha−1.

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Transcriptome Landscapes of Salt-Susceptible Rice Cultivar IR29 Associated with a Plant Growth Promoting Endophytic Streptomyces

Cited by 13 publications

References 78 publications

Interactions between plant‐beneficial microorganisms in a consortium: Streptomyces microflavus and Trichoderma harzianum

Interactions between plant‐beneficial microorganisms in a consortium: Streptomyces microflavus and Trichoderma harzianum

Rhizoactinobacteria Enhance Growth and Antioxidant Activity in Thai Jasmine Rice (Oryza sativa) KDML105 Seedlings under Salt Stress

Growth and production of three wetland rice varieties on saline leached land with microbial consortium application

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