Rbc2, a new dominant gene for resistance of soybean to Cowpea mild mottle virus: Inheritance and mapping

Oliveira, Marco Antônio Rott de; Carpentieri-Pípolo, Valéria; Nora, Tatiane Dalla; Vieira, Elisa Serra Negra; Prete, Cássio Egídio Cavenaghi; Schuster, Ivan

doi:10.1590/1984-70332018v18n2a24

Cited by 5 publications

(7 citation statements)

References 26 publications

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“…Due to the high-seed transmission rate of CpMMV in some soybean cultivars and the high level of pesticide resistance of whiteflies, most traditional CpMMV management strategies have failed around the world [21][22][23][24]. The application of genetically resistant soybean cultivars is the most effective, economical, and environmentally friendly strategy for controlling CpMMV [25].…”

Section: Introductionmentioning

confidence: 99%

Genome-Wide Association Analysis of Cowpea Mild Mottle Virus Resistance in Soybean Germplasms from Northeast China

Luan,

Yang,

Wang

et al. 2024

Agronomy

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Cowpea mild mottle virus (CpMMV) is an important viral pathogen that seriously influences the yield and seed quality of soybeans worldwide. Resistance breeding is one of the most effective, economical, and environmentally safe strategies for controlling the disease caused by CpMMV. However, only few resistance genes have been identified in soybeans. In this study, the resistance of 169 soybean germplasms from Northeast China to a CpMMV strain isolated from soybean in China was evaluated, and a genome-wide association study (GWAS) was then performed to find possible resistance genes in these soybean germplasms. Nine resistant soybean germplasms were identified and two single nucleotide polymorphism sites (SNPs) were found to be closely associated with CpMMV resistance. A total number of 51 and 25 candidate genes neighboring the resistance-associated SNPs on chromosomes 6 and 12, respectively, were identified, among which one receptor-like kinase (RLK) on chromosome 6 and 2 toll-interleukin-1 receptor nucleotide-binding leucine-rich repeat receptors (TNLs) on chromosome 12 were recognized as the most probable resistance genes, respectively. Together, these data provide new insights on the resistance resources of soybeans to CpMMV, which will benefit the breeding of CpMMV-resistant soybean cultivars.

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Section: Introductionmentioning

confidence: 99%

Genome-Wide Association Analysis of Cowpea Mild Mottle Virus Resistance in Soybean Germplasms from Northeast China

Luan,

Yang,

Wang

et al. 2024

Agronomy

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“…Suryanto et al (2014) studied CPMMV R genes in Indonesian soybean cultivars. Soybean cultivars resistant to CPMMV have been identified in Brazil, India and Puerto Rico (Arias et al, 2015; Brace et al, 2012; Cheruku, Lal, Talukdar, Mandal, Yadav, et al, 2017; de Oliveira et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of soybean genotypes for cowpea mild mottle virus resistance through phenotypic reaction and genotypic analysis

Yadav

Lal

et al. 2023

Plant Pathology

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Cowpea mild mottle virus (CPMMV), a carlavirus nonpersistently transmitted by whiteflies, is an emerging and economically important virus of soybean. The present study aimed to identify soybean genotypes resistant to CPMMV through mechanical inoculation‐based phenotyping and marker trait association using gene‐specific and simple‐sequence repeat (SSR) markers. A set of 500 soybean genotypes was initially screened in the field for CPMMV infection, of which 288 genotypes showing resistance were evaluated further under controlled glasshouse conditions. Among these 288 genotypes, 43 (14.9%) were resistant, 59 (20.5%) were moderately resistant while the remaining 186 (64.6%) were susceptible. A set of five gene‐specific primer pairs, three of which targeted CPMMV R genes, was used for screening the 288 soybean genotypes; 96 genotypes from the 288 (based on disease score) were also genotyped with 24 SSR polymorphic markers for an association study. The mean values of major allele frequency and gene diversity were found to be 0.70 and 0.39, respectively. The polymorphism information content varied from 0.14 to 0.37. Population structure and cluster analysis revealed three subpopulations for the five gene‐specific markers and two distinct subpopulations for the 24 SSR markers, respectively. Neighbour joining‐based clustering analysis categorized the 288 genotypes into two major clusters. Three markers were found to be significantly associated with CPMMV resistance. The BARCSOYSSR0558 marker showed the highest phenotypic variance of 9.6%. The present study will help in identification of CPMMV R genes and breeding new resistant varieties through marker‐assisted selection.

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“…MLG0120) ( Suryanto et al, 2014 ) and in Brazil (cv. BRS 133) a former and obsolete cultivar ( Arias et al, 2015 ; De Oliveira et al, 2018 ). In general, carlaviruses are transmitted by aphids ( King et al, 2011 ), however CPMMV is one of the two exceptions of the genus that are transmitted in a non-persistent manner by the whitefly Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) ( Almeida, 2008 ; Marubayashi, Yuki & Wutke, 2010 ).…”

Section: Introductionmentioning

confidence: 99%

Effects of cowpea mild mottle virus on soybean cultivars in Brazil

Silva

Müller²,

Bello

et al. 2020

PeerJ

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Soybean stem necrosis is caused by cowpea mild mottle virus (CPMMV), transmitted by the whitefly Bemisia tabaci. CPMMV has already been recorded in all major soybean-producing areas of Brazil. The impacts caused by CPMMV to the current Brazilian soybean production are unknown, thus the main objective of this study was to evaluate the effects of CPMMV infection on the main important soybean cultivars grown in the Southern and Midwestern regions of Brazil. Although asymptomatic in some of the tested cultivars, CPMMV infection significantly reduced the plant height, the number of pods per plant and the 1,000-grain weight. In addition, estimated yield losses ranged from 174 to 638 kg ha−1, depending on the cultivar. Evidence of seed transmission of CPMMV was observed in the BMX POTÊNCIA RR cultivar. These results suggest that CPMMV could have an important role in the reduction of soybean productivity in Brazil, but symptomless infections might be hiding the actual impact of this pathogen in commercial fields and infected seeds could be the primary inoculum source of the virus in the field.

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Rbc2, a new dominant gene for resistance of soybean to Cowpea mild mottle virus: Inheritance and mapping

Cited by 5 publications

References 26 publications

Genome-Wide Association Analysis of Cowpea Mild Mottle Virus Resistance in Soybean Germplasms from Northeast China

Genome-Wide Association Analysis of Cowpea Mild Mottle Virus Resistance in Soybean Germplasms from Northeast China

Evaluation of soybean genotypes for cowpea mild mottle virus resistance through phenotypic reaction and genotypic analysis

Effects of cowpea mild mottle virus on soybean cultivars in Brazil

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