Characterization of ACC deaminase from the biocontrol and plant growth-promoting agent Trichoderma asperellum T203

Viterbo, Ada; Landau, Udi; Kim, Sofia; Chernin, Leonid; Chet, I.

doi:10.1111/j.1574-6968.2010.01910.x

Cited by 248 publications

(127 citation statements)

References 26 publications

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“…However, plant growth promotion may also be mediated by a decrease in the levels of the plant hormone ethylene 93 . T. asperellum T203 (later re-classified as T. asperelloides) 20 possesses an α-1-aminocyclopropane-1-carboxylate (ACC) deaminase gene (acc1) that encodes an enzyme that cleaves ACC, a key intermediate in ethylene biosynthesis, and is expressed during interaction with roots of Brassica napus (canola) 94 . A knock-out in this gene reduced the ability of the fungus to promote root elongation.…”

Section: Promotion Of Plant Growthmentioning

confidence: 99%

Trichoderma: the genomics of opportunistic success

et al. 2011

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2 PrefaceTrichoderma is a genus of common filamentous fungi that display a remarkable range of life styles and interactions with plants, animals and other fungi. Because of their ability to stimulate plant growth and defense, some Trichoderma strains are used for biological control of plant diseases. In this Review, we discuss recent advances in molecular ecology and genomics that 5 indicate that saprotrophy on fungal biomass (mycotrophy) and various forms of parasitism on other fungi (mycoparasitism), combined with broad environmental opportunism, may have driven the evolution of the present interactions of Trichoderma with plants and animals.

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Section: Promotion Of Plant Growthmentioning

confidence: 99%

Trichoderma: the genomics of opportunistic success

et al. 2011

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“…Trichoderma spp. were reported have the ability to reduce several plant diseases by inhibiting plant pathogens mainly found in the soil roots, through antagonistic and mycoparasitic potential (Viterbo et al, 2010). For instance, studies conducted by Ha (2010) in Vietnam, indicated that Trichoderma spp.…”

Section: Introductionmentioning

confidence: 99%

Potential of Trichoderma spp. as Biological Control Agents Against Bakanae Pathogen (Fusarium fujikuroi) in Rice

Ng¹,

Ngadin²,

azhari³

et al. 2015

Asian J. of Plant Pathology

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Bakanae disease is a major rice disease caused by Fusarium fujikuroi. Infected plants show slender and hyper elongated internodes due to the over-production of gibberellic acid. Application of Trichoderma spp. as biocontrol agent is gaining attention due to high capability in hyperparasitize the soil borne pathogen. The studies aimed to screen and evaluate the bio-efficacy of Trichoderma spp. with antagonistic activities against F. fujikuroi and plant growth-promoting properties. All the 65 Trichoderma isolates were isolated from healthy rice rhizosphere soil. Thirty eight out of 65 Trichoderma isolates exhibited more than 45 Percentage of Inhibition Radial Growth (PIRG) against F. fujikuroi in dual culture plate testing. All selected Trichoderma isolates were further in vitro screened for antagonistic testing: volatile compounds production and hydrogen cyanide production and plant growth-promotion properties: IAA production and phosphate solubilization. Twelve Trichoderma isolates were selected for further evaluation on antagonistic activity against F. fujikuroi, germination rate, plumule and radical lengths and vigor index. Finally, seven of the most potential Trichoderma isolates were selected for greenhouse evaluation. The bakanae disease incidence and disease severity in rice plant treated with respective selected Trichoderma isolates were significant reduced as compared with untreated plant. However, there was no significant increase in plant height between Trichoderma inoculated and uninoculated plants. Moreover, rice plant treated with Trichoderma T61 showed significantly increase in total plant dry biomass as compared to untreated plants. The selected Trichoderma isolates have potential to be developed as biological control agent against F. fujikuroi and also as an alternative for bakanae management.

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“…Di samping dapat mengeluarkan metabolit sekunder (Mukherjee, Horwitz, Herrera-Estrella, Schmoll, & Kenerley, 2013;Vinale et al, 2014), beberapa jenis Trichoderma juga dapat berperan sebagai dekomposer untuk meningkatkan kesuburan tanah sehingga dapat memicu pertumbuhan tanaman (Kaewchai, Soytong, & Hyde, 2009;Contreras-Cornejo, Machias-Rodriguez, Cortẻs-Penagos, & Lỏpez-Bucio, 2009;Viterbo, Landau, Kim, Chernin, & Chet, 2010;Akladious & Abbas, 2012;Haque, Ilias, & Molla, 2012;Hermosa, Viterbo, Chet, & Lorito, 2012;Samolski, Rincỏn, Pinzỏn, Viterbo, & Monte, 2012;Promwee, Issarakraisila, Intana, Chamswarng, & Yenjit, 2014).…”

Section: Pendahuluanunclassified

Pengaruh Waktu Aplikasi dan Jenis Trichoderma terhadap Penyakit Jamur Akar Putih pada Bibit Tanaman Karet

Amaria

Wardiana

2014

JTIDP

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ABSTRAKPemanfaatan agens hayati berupa jamur antagonis Trichoderma mempunyai peluang dalam mencegah maupun menekan serangan jamur akar putih (JAP) pada bibit tanaman karet. Oleh karena itu, Trichoderma dapat diaplikasikan sebelum maupun setelah infeksi patogen. Penelitian ini bertujuan mengetahui waktu aplikasi dan jenis Trichoderma yang efektif dalam mengendalikan penyakit JAP pada bibit karet. Penelitian dilakukan di rumah kasa Balai Penelitian Tanaman Industri dan Penyegar (Balittri) Sukabumi, mulai bulan Mei sampai November 2013. Rancangan percobaan menggunakan acak kelompok faktorial dua faktor dengan tiga ulangan. Faktor pertama adalah dua waktu aplikasi Trichoderma (sebelum dan setelah infeksi patogen), faktor kedua adalah empat jenis Trichoderma (Trichoderma virens, Trichoderma hamatum, Trichoderma amazonicum, dan Trichoderma atroviride). Di samping itu, digunakan petak kontrol (tanpa Trichoderma) untuk melihat efektif-tidaknya penggunaan Trichoderma. Bibit karet menggunakan klon AVROS 2037 hasil okulasi umur 3 bulan. Peubah yang diamati meliputi gejala penyakit JAP, masa inkubasi patogen, dan intensitas serangan JAP. Hasil penelitian menunjukkan bahwa pada pembibitan karet penggunaan agen hayati Trichoderma lebih efektif bila diaplikasikan sebelum ada infeksi patogen karena dapat memperpanjang masa inkubasi patogen dan menekan serangan JAP masing-masing 60,49 hari dan 78,36% dibandingkan kontrol, serta 51,62 hari dan 71,14% bila dibandingkan aplikasi setelah ada infeksi. Trichoderma yang diaplikasikan setelah infeksi patogen hanya efektif menekan serangan JAP sebesar 25% dibandingkan kontrol. T. virens dan T. amazonicum paling efektif bila diaplikasikan sebelum infeksi patogen, sedangkan apabila tanaman telah terinfeksi patogen maka dianjurkan menggunakan T. virens, T. amazonicum, atau T. atroviride.Kata kunci: Karet, jamur akar putih, Trichoderma, intensitas serangan, masa inkubasi patogen ABSTRACT The utilization of biological agents such as fungal antagonist of Trichoderma has the opportunity to prevent and suppress the attacks of white root diseases (JAP) in rubber seedlings. Therefore, Trichoderma can be applied before or after pathogen infection. The objectives of this study were to determine the application time and Trichoderma types which effective in controlling white root fungi in rubber seedlings. The research was carried out in the Screen house of Indonesian Industrial and Beverages Crops Research Institute (IIBCRI), Sukabumi, from May to November 2013. The randomized complete block design in factorial two factors and three replications was used in this study. The first factor: two times of

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Characterization of ACC deaminase from the biocontrol and plant growth-promoting agent Trichoderma asperellum T203

Cited by 248 publications

References 26 publications

Trichoderma: the genomics of opportunistic success

Trichoderma: the genomics of opportunistic success

Potential of Trichoderma spp. as Biological Control Agents Against Bakanae Pathogen (Fusarium fujikuroi) in Rice

Pengaruh Waktu Aplikasi dan Jenis Trichoderma terhadap Penyakit Jamur Akar Putih pada Bibit Tanaman Karet

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