Endophytic Microbes from Diverse Wheat Genotypes and Their Potential Biotechnological Applications in Plant Growth Promotion and Nutrient Uptake

Rana, Kusam Lata; Kour, Divjot; Kaur, Tanvir; Sheikh, Imran; Yadav, Ajar Nath; Kumar, Vinod; Suman, Archna; Dhaliwal, H. S.

doi:10.1007/s40011-020-01168-0

Cited by 117 publications

(27 citation statements)

References 43 publications

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“…Abiotic stresses, such as drought, salinity, extreme temperatures, and heavy metal toxicity are serious threats to agriculture and result in the damage of the environment (Singh et al 2011;Saxena et al 2016;Yadav 2019). Drought, salinity, and extreme temperatures, often interconnected, result in oxidative burst and cellular damage (Kaur et al 2020;Rana et al 2020). E.g., water stress and salinization, which are apparent osmotic stress, disrupt the ion distribution and metabolism in the cell (Raghuwanshi 2018).…”

Section: Abiotic Stress Effect On Agriculture Cropsmentioning

confidence: 99%

The role of endophytic fungi in combating abiotic stress on tomato

Nouh

Abu-Elsaoud

Abdel-Azeem

2021

MBJ

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Environmental stress to plants is more detrimental than biotic stress. Abiotic stresses, such as drought, salinity, extreme temperatures, heavy metal toxicity, and oxidative stress, are serious threats to agriculture and lead to deterioration of the environment. Abiotic stress leads to a series of morphological, physiological, biochemical, and molecular changes that have a harmful effect on plant growth and productivity. Recently endophytic fungi (EF) are gaining attention due to the numerous benefits gained by the host plant and reducing the application of chemicals in agriculture, thus providing advantages to human health and the environment. Indeed, microbe's ability to confer plant stress resistance may open a new avenue for alleviating the adverse effect of global climate change on agricultural production. The ability of endophytes recovered from grasses were applied to confer drought, high temperature and high salinity to genetically distant plants such as tomato. The concept that fungal endophytes adapt to stress in a habitat-specific manner has been confirmed with different fungal and plant species and environmental stresses. In this review, we have tried to comprehend different roles of endophytes in combating abiotic stress on tomato.

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Section: Abiotic Stress Effect On Agriculture Cropsmentioning

confidence: 99%

The role of endophytic fungi in combating abiotic stress on tomato

Nouh

Abu-Elsaoud

Abdel-Azeem

2021

MBJ

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“…HD 2967, Rana et al isolated 159 endophytic bacteria that were screened in vitro for plant growth-promoting attributes. They confirmed that only five isolates were able to produce IAA [ 16 ] and, among them, Acinetobacter guillouiae EU-B2RT.R1 was found to be capable of IAA synthesis both in the presence (11.40 ± 0.00 mg·L −1 ) and absence (13.6 ± 0.01 mg·L −1 ) of tryptophan. Kiani et al studied root, stem, and leaf tissue of winter wheat cultivars NARC 2011, Ujala 2015, TW1410, Inqilab 91, Galaxy 2013, and 15BT023 and found 10 isolates with a capability of IAA production [ 17 ].…”

Section: Introductionmentioning

confidence: 72%

A Comprehensive Analysis Using Colorimetry, Liquid Chromatography-Tandem Mass Spectrometry and Bioassays for the Assessment of Indole Related Compounds Produced by Endophytes of Selected Wheat Cultivars

et al. 2021

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Liquid chromatography–tandem mass spectrometry (LC–MS/MS), colorimetry, and bioassays were employed for the evaluation of the ability of endophytic bacterial strains to synthesize indole-related compounds (IRCs) and in particular indole-3-acetic acid (IAA). A total of 54 endophytic strains belonging to seven bacterial genera isolated from tissues of common and spelt wheat cultivars were studied. The endophytic bacteria isolated from different tissues of the tested wheat types were capable of IRCs production, including IAA, which constituted from 1.75% to 52.68% of all IRCs, in in vitro conditions via the tryptophan dependent pathway. The selected post-culture medium was also examined using a plant bioassay. Substantial growth of wheat coleoptile segments treated with the bacterial post-culture medium was observed in several cases. Our data suggest that the studied endophytic bacteria produce auxin-type compounds to support plant development. Summarizing, our approach to use three complementary methods for estimation of IRCs in different endophytic strains provides a comprehensive picture of their effect on wheat growth.

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“…To date, most reports have been focused on the isolation of endophytic bacteria from different wheat organs and tissues [ 48 , 49 , 50 ]. A large diversity of endophytic bacteria belonging to different genera, including Achromobacter , Acinetobacter , Arthrobacter , Bacillus , Chitinophaga , Enterobacter , Erwinia , Flavobacterium , Klebsiella , Leifsonia , Microbispora , Micrococcus , Micromonospora , Mycobacterium , Paenibacillus , Pantoea , Pseudomonas , Roseomonas , Staphylococcus , Streptomyces , and Xanthomonas have been identified [ 51 ]. It has been evidenced that the microbial diversity decreases along the root–shoot axis, depending on the plant variety and the stage of plant growth [ 52 ].…”

Section: Introductionmentioning

confidence: 99%

“…However, the knowledge of the role of particular genera of endophytic bacteria in the microelement acquisition by wheat in field conditions is insufficient [ 51 , 53 , 58 , 61 ]. Data regarding endophytes inhabiting spring wheat grains are equally scarce.…”

Section: Introductionmentioning

confidence: 99%

Bacterial Endophytes of Spring Wheat Grains and the Potential to Acquire Fe, Cu, and Zn under Their Low Soil Bioavailability

Makar

Kuźniar

Patsula

et al. 2021

Biology

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Wheat grains are usually low in essential micronutrients. In resolving the problem of grain micronutritional quality, microbe-based technologies, including bacterial endophytes, seem to be promising. Thus, we aimed to (1) isolate and identify grain endophytic bacteria from selected spring wheat varieties (bread Oksamyt myronivs’kyi, Struna myronivs’ka, Dubravka, and emmer Holikovs’ka), which were all grown in field conditions with low bioavailability of microelements, and (2) evaluate the relationship between endophytes’ abilities to synthesize auxins and the concentration of Fe, Zn, and Cu in grains. The calculated biological accumulation factor (BAF) allowed for comparing the varietal ability to uptake and transport micronutrients to the grains. For the first time, bacterial endophytes were isolated from grains of emmer wheat T. turgidum subsp. dicoccum. Generally, the 12 different isolates identified in the four varieties belonged to the genera Staphylococcus, Pantoea, Sphingobium, Bacillus, Kosakonia, and Micrococcus (NCBI accession numbers: MT302194—MT302204, MT312840). All the studied strains were able to synthesize the indole-related compounds (IRCs; max: 16.57 µg∙mL−1) detected using the Salkowski reagent. The IRCs produced by the bacterial genera Pantoea spp. and Bacillus spp. isolated from high-yielding Oksamyt myronivs’kyi and Holikovs’ka grains may be considered as one of the determinants of the yield of wheat and its nutritional characteristics.

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Endophytic Microbes from Diverse Wheat Genotypes and Their Potential Biotechnological Applications in Plant Growth Promotion and Nutrient Uptake

Cited by 117 publications

References 43 publications

The role of endophytic fungi in combating abiotic stress on tomato

The role of endophytic fungi in combating abiotic stress on tomato

A Comprehensive Analysis Using Colorimetry, Liquid Chromatography-Tandem Mass Spectrometry and Bioassays for the Assessment of Indole Related Compounds Produced by Endophytes of Selected Wheat Cultivars

Bacterial Endophytes of Spring Wheat Grains and the Potential to Acquire Fe, Cu, and Zn under Their Low Soil Bioavailability

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