Salinity tolerantTrichoderma harzianumreinforces NaCl tolerance and reduces population dynamics ofFusarium oxysporumf.sp.ciceriin chickpea (Cicer arietinumL.) under salt stress conditions

Rawat, Laxmi; Singh, Yashvir; Shukla, N. K.; Kumar, J.

doi:10.1080/03235408.2013.769316

Cited by 41 publications

(41 citation statements)

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“…Decrease in MSI content due to salinity stress in the present study is in accordance with Kafi et al (2011), Rawat et al (2013), and Rao et al (2013) who reported that MSI decreases under salinity stress in sorghum, chickpea, and wheat, respectively. The cell injury by salt stress firstly appears in cell membranes (Ashraf & Ali 2008), hence MSI is considered one of the useful parameters to plant resistance against salinity stress (Farooq & Azam 2006).…”

Section: Discussionsupporting

confidence: 92%

“…Present study indicated that the application of T. hamatum efficiently increased growth parameters and could be an effective and easily adaptive strategy to alleviate the negative impact of salt stress. Our results corroborated with the findings of Mastouri et al (2010) and Rawat et al (2013) who reported that Trichoderma isolates alleviates the adverse effects of salt stress in different plants. Trichoderma associated with plants produces plant growth hormones like cytokinins-like molecules, e.g.…”

Section: Discussionsupporting

confidence: 92%

“…Trichoderma associated with plants produces plant growth hormones like cytokinins-like molecules, e.g. zeatin and gibberellin GA 3 or GA 3 related (Zhang et al 2013;Rawat et al 2013) that have beneficial effects on plant growth under salt stress (Iqbal & Ashraf 2013). Moreover Trichoderma association increases root length thus helps the plant to absorb nutrients and water from the soil and thus enhancing the plant's efficiency to counteract salt stress (Arora et al 1992).…”

Section: Discussionmentioning

confidence: 99%

“…They also enhance uptake of nutrients (Harman et al 2004), production of many biochemical elicitors including various peroxidases (PODs), chitinases, β-1,3-glucanases, lipoxygenase-pathway hydroperoxide lyase, and compounds like phytoalexins and phenols to promote tolerance against both biotic and abiotic stresses (Gachomo & Kotchoni 2008;Shoresh et al 2010). The beneficial effects of Trichoderma species on alleviation of adverse effects of salinity stress have been well documented (Hermosa et al 2012;Rawat et al 2013). The present study has been designed to observe the ability of T. hamatum to alleviate the negative effects of salinity stress.…”

Section: Introductionmentioning

confidence: 99%

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Alleviation of abiotic salt stress inOchradenus baccatus(Del.) byTrichoderma hamatum(Bonord.) Bainier

Hashem

Huqail

Egamberdieva

2014

Journal of Plant Interactions

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The current study was taken up to examine the role of bioagent (Trichoderma hamatum) in mitigating the deleterious effects of NaCl stress in Ochradenus baccatus. Varying concentrations of salt (0, 75, and 150 mM) were used to observe the effect on growth, pigments, some key metabolic attributes, antioxidant enzymes, and elemental accumulation in O. baccatus. The results indicated significant decrease in seed germination, plant growth, pigment content, membrane stability index, tissue water content, and total lipid content with salt stress. Lipid peroxidation increases with the increasing concentration of NaCl. Moreover, salinity stimulated the biosynthesis of phenols, diacylglycerol, sterol esters, nonesterified fatty acids, and enzymatic antioxidants like superoxide dismutase, catalase, peroxidase, ascorbate peroxidase, glutathione reductase. The Na + content in shoot increases with elevated levels of NaCl concentration, accompanied with significant decreases in K + , Mg 2+ , and Ca 2+ . Application of bioagent (T. hamatum) has been observed to alleviate the antagonistic effect of salt stress on plant growth and metabolic processes. In absence and presence of salt stress, the bioagent stimulated the plant growth and alter the plant metabolism through the modification of the above parameters.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Alleviation of abiotic salt stress inOchradenus baccatus(Del.) byTrichoderma hamatum(Bonord.) Bainier

Hashem

Huqail

Egamberdieva

2014

Journal of Plant Interactions

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“…Trichoderma spp. are well-known biological control agents and are widely used to control fungal phytopathogens, including Fusarium oxysporum, Sclerotinia sclerotiorum, Cytospora chrysosperma, and Rhizoctonia solani (Yang et al 2013), and to alleviate salt stress (Brotman et al 2013;Rawat et al 2012Rawat et al , 2013. So, the study of ACCD from Trichoderma spp.…”

Section: Introductionmentioning

confidence: 99%

Functional analysis of the 1-aminocyclopropane-1-carboxylate deaminase gene of the biocontrol fungus Trichoderma asperellum ACCC30536

et al. 2016

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1-aminocyclopropane-1-carboxylate (ACC) deaminase (ACCD) cleaves ACC, the immediate precursor of the ethylene, decreasing the level of ethylene and inhibition of plant growth resulted by environmental stresses. Here, TaACCD was cloned from the biocontrol agent Trichoderma asperellum ACCC30536. Its open reading frame was 1047 bp long encoding a 37 kD protein of 348 aa, and a pI of 5.77. Phylogenetic analysis demonstrated this protein to be closely related to ACCD from T. asperellum T203 (ACX94231). Transformation of Populus davidiana × P. bolleana with TaACCD, increased salinity tolerance of transgenic plants Pdb-ACCD3 and Pdb-ACCD5. Transgenic plants could survive at salinity of 200 mM NaCl, whereas untransformed control poplar Pdb-NT could withstand salinity to 150 mM NaCl. Transformed plants accumulated higher amounts of chlorophyll compared to Pdb-NT plants. Accumulation of reactive oxygen species (ROS) was regulated by TaACCD under salt stress, as shown from higher superoxide dismutase (SOD) and peroxidase (POD) activities, as well as NBT and DAB staining. Evans blue staining showed that TaACCD maintained membrane integrity in Populus under salt stress conditions. Additionally, TaACCD expression decreased ethylene content of transgenic plants compared to nontransgenic plants, but salt content in plant leaves didnt show obvious difference under same salt concentration. To the best of our knowledge, the current study is the first demonstration that the TaACCD gene from T. asperellum ACCC30536 can enhance tolerance of Populus to salt stress.Key words: Trichoderma asperellum, 1-aminocyclopropane-1-carboxylate deaminase, transgenic poplar, salinity tolerance.Résumé : La 1-aminocyclopropane-1-carboxylate (ACC) désaminase (ACCD) scinde l'ACC, précurseur immédiat de l'éthylène, ce qui réduit la concentration de ce gaz et l'effet inhibiteur qu'il a sur la croissance des plantes soumises à un stress environnemental. Dans le cadre de cette étude, les auteurs ont cloné le gène TaACCD de l'agent de lutte biologique Trichoderma asperellum ACCC30536. Son cadre de lecture ouvert mesure 1 047 pb de longueur et code une protéine de 37 kD composée de 348 acides aminés et d'un pI de 5,77. L'analyse phylogénétique révèle que la protéine est étroitement apparentée à l'ACCD de T. asperellum T203 (ACX94231). La modification de Populus davidiana × P. bolleana avec le gène TaACCD augmente la tolérance des plants transgéniques Pdb-ACCD3 et Pdb-ACCD5 à la salinité. Ces plants survivent à une salinité de 200 mM de NaCl, contre 150 mM de NaCl pour le peuplier témoin non modifié Pdb-NT. Les plants modifiés accumulent plus de chlorophylle que les plants de Pdb-NT. Le gène TaACCD régule l'accumulation des espèces réactives d'oxygène résultant du stress dû au sel, comme l'indique la plus grande activité de la superoxyde dismutase (SOD) et de la peroxydase (POD), de même que la coloration au NBT et au DAB. La coloration au bleu d'Evans révèle que le gène TaACCD aide la membrane cellulaire à garder son intégrité chez Populus, dans de...

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Influence of salt tolerantTrichodermaspp. on growth of maize (Zea mays) under different salinity conditions

Kumar

Kaari

Amaresan

2016

J. Basic Microbiol.

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In the present study, a total of 70 Trichoderma spp. were isolated from the rhizosphere soils of vegetable and spice crops that were grown in Andaman and Nicobar Islands, India. Initial screening of Trichoderma spp. for salt tolerant properties showed 32 isolates were able to tolerate 10% NaCl. Furthermore, these isolates were screened for their potential plant growth-promoting characteristics such as IAA production, phosphate solubilization, and siderophore production. Among 32 isolates, nine isolates were able to produce IAA, siderophore, and solubilize phosphate. Jar trial was carried out on maize under axenic conditions at 1.67, 6.25, 11.25, 17.2, and 22.9 dS m salt stress using the best nine isolates. Three isolates (TRC3, NRT2, and THB3) were effective in improving germination percentage, reducing reduction percentage of germination (RPG) and also in increasing the shoot and root length under axenic conditions. These three isolates were further tested under pot trial at 52 (sea water), 27, 15, 7, and 1.67 dS m . TRC3 was found to be the most effective isolate compared to the other isolates and significantly increased the physiological parameters like shoot, root length, leaf area, total biomass, and stem and leaf fresh weight at all stress levels. Similarly, total chlorophyll content also increased by TRC3 over control. All three isolates, NRT2, TRC3, and THB3 showed lower accumulation of malondialdehyde (MDA) content whereas, proline and phenol content were higher than the uninoculated control plants under both normal and saline conditions. The results suggest that these isolates could be utilized for the alleviation of salinity stress in maize.

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Salinity tolerantTrichoderma harzianumreinforces NaCl tolerance and reduces population dynamics ofFusarium oxysporumf.sp.ciceriin chickpea (Cicer arietinumL.) under salt stress conditions

Cited by 41 publications

References 26 publications

Alleviation of abiotic salt stress inOchradenus baccatus(Del.) byTrichoderma hamatum(Bonord.) Bainier

Alleviation of abiotic salt stress inOchradenus baccatus(Del.) byTrichoderma hamatum(Bonord.) Bainier

Functional analysis of the 1-aminocyclopropane-1-carboxylate deaminase gene of the biocontrol fungus Trichoderma asperellum ACCC30536

Influence of salt tolerantTrichodermaspp. on growth of maize (Zea mays) under different salinity conditions

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