Expression Profiling of MLO Family Genes under Podosphaera xanthii Infection and Exogenous Application of Phytohormones in Cucumis melo L.

Howlader, Jewel; Kim, Hoy‐Taek; Park, Jong-In; Ahmed, Nasar Uddin; Robin, Arif Hasan Khan; Jung, Hee-Jeong; Nou, Ill–Sup

doi:10.5352/jls.2016.26.4.419

Cited by 5 publications

(3 citation statements)

References 43 publications

(80 reference statements)

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“…The results indicated that at least one dominant allele is required in LG XII in presence of homozygous dominant status of LG II locus (Table 7). In a recent study, differential expression of 14 MLO genes have been reported in the same melon line in response to seven different fungal races of P. xanthii (Howlader et al 2016) which suggested possible existence of inter-genic gene interaction.…”

Section: Epistatic Gene Interaction Is Presentmentioning

confidence: 96%

Identification of a New Race and Development of DNA Markers Associated with Powdery Mildew in Melon

Kim

Park

Robin

et al. 2016

Plant Breed. Biotech.

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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.Plant Breed. Biotech. 2016 (May) 4(2):225~233 http://dx.ABSTRACT Powdery mildew disease caused by an obligatory parasitic fungus Podosphaera xanthii is a serious problem of melon (Cucumis melo L.) production worldwide. Severity of problem is further associated with emergence of new races over the years. In this study a new race of powdery mildew fungus was discovered from Ibaraki, Japan. The race was different from all other existing races of P. xanthii occurring in Japan. Phenotypic and genetic analysis established the new fungus type as a new race, N5. Ten melon lines were infected with a total of eight fungal races including the new N5 race and it was found that all melon lines had different disease reactions against the new race compared to other seven races. Only four melon genotypes were found resistant out of 42 commercial cultivars and lines were tested. Disease reactions of two sets of F2 populations and one set of backcross population revealed that two separate epistatic gene loci located in two different linkage groups (LG), LG II and LG XII, interact together for the resistant or susceptible reaction of melon lines. A total of six simple sequence repeat (SSR) markers were found polymorphic in melon lines out of 16 tested in response to N5 race. Two different sets of F2 populations between resistant and susceptible melon lines were assessed with two polymorphic SSR markers located in two different groups, LG II and LG XII. SSR genotyping yielded 78% and 94% expected polymerase chain reaction fragments in favor of resistance or susceptibility of F2 populations of CM17187×PMR5 and PMR45×PMR5 of melon lines, respectively.

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Section: Epistatic Gene Interaction Is Presentmentioning

confidence: 96%

Identification of a New Race and Development of DNA Markers Associated with Powdery Mildew in Melon

Kim

Park

Robin

et al. 2016

Plant Breed. Biotech.

Self Cite

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“…As Howlader et al . 25 reported, MLO genes have different expression patterns after being infected by powdery mildew bacteria, and some are up-regulated and down-regulated. It is difficult to say that TG-1 resistance or TG-5 susceptibility is related to these differentially expressed MLO genes.…”

Section: Discussionmentioning

confidence: 99%

“…Howlader et al . reported the expression of 14 CmMLO genes after infection of Melon with seven different races of P. xanthii 25 .…”

Section: Introductionmentioning

confidence: 99%

Comparative transcriptome analysis of melon (Cucumis melo L.) reveals candidate genes and pathways involved in powdery mildew resistance

Zhao

Dong

Wang³

et al. 2022

Sci Rep

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Powdery mildew is a major disease in melon, primarily caused by Podosphaera xanthii (Px). Some melon varieties were resistant to powdery mildew, while others were susceptible. However, the candidate genes associated with resistance and the mechanism of resistance/susceptibility to powdery mildew in melon remain unclear. In this study, disease-resistant melon cultivar TG-1 and disease-susceptible melon cultivar TG-5 were selected for comparative transcriptome analysis. The results suggested that the numbers of differentially expressed genes (DEGs) in TG-5 was always more than that in TG-1 at each of the four time points after Px infection, indicating that their responses to Px infection may be different and that the active response of TG-5 to Px infection may be earlier than that of TG-1. Transcription factors (TFs) analysis among the DEGs revealed that the bHLH, ERF, and MYB families in TG-1 may play a vital role in the interaction between melon and powdery mildew pathogens. GO enrichment analysis of these DEGs in TG-5 showed that the SBP, HSF, and ERF gene families may play important roles in the early stage of melon development after Px infection. Finally, we speculated on the regulatory pathways of melon powdery mildew and found PTI and ABA signaling genes may be associated with the response to Px infection in melon.

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Differential Expression under Podosphaera xanthii and Abiotic Stresses Reveals Candidate MLO Family Genes in Cucumis melo L

Howlader

Park

Kim

et al. 2017

Tropical Plant Biol.

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Expression Profiling of MLO Family Genes under Podosphaera xanthii Infection and Exogenous Application of Phytohormones in Cucumis melo L.

Cited by 5 publications

References 43 publications

Identification of a New Race and Development of DNA Markers Associated with Powdery Mildew in Melon

Identification of a New Race and Development of DNA Markers Associated with Powdery Mildew in Melon

Comparative transcriptome analysis of melon (Cucumis melo L.) reveals candidate genes and pathways involved in powdery mildew resistance

Differential Expression under Podosphaera xanthii and Abiotic Stresses Reveals Candidate MLO Family Genes in Cucumis melo L

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