Global transcriptional analysis suggests Lasiodiplodia theobromae pathogenicity factors involved in modulation of grapevine defensive response

Paolinelli, Marcos; Villalobos-Escobedo, José Manuel; Rolshausen, Philippe E.; Herrera-Estrella, Alfredo; Galindo-Sánchez, Clara E.; López-Hernández, José Fabricio; Hernández-Martínez, Rufina

doi:10.1186/s12864-016-2952-3

Cited by 54 publications

(74 citation statements)

References 112 publications

(128 reference statements)

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“…Reports have shown that certain varieties are highly susceptible [ 24 , 25 ]. In vivo studies demonstrated that L. theobromae becomes aggressive in colonizing host tissues when plants are under abiotic stress, such as heat, water stress, or drought stresses [ 26 , 27 ]. In general, dieback is one of the deadly diseases of mango, which causes a serious damage to the tree and its productivity.…”

Section: Introductionmentioning

confidence: 99%

Detection and Management of Mango Dieback Disease in the United Arab Emirates

Saeed

Sham

AbuZarqa

et al. 2017

IJMS

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Mango is affected by different decline disorders causing significant losses to mango growers. In the United Arab Emirates (UAE), the pathogen was isolated from all tissues sampled from diseased trees affected by Lasiodiplodia theobromae . Symptoms at early stages of the disease included general wilting appearance of mango trees, and dieback of twigs. In advanced stages, the disease symptoms were also characterized by the curling and drying of leaves, leading to complete defoliation of the tree and discolouration of vascular regions of the stems and branches. To substantially reduce the devastating impact of dieback disease on mango, the fungus was first identified based on its morphological and cultural characteristics. Target regions of 5.8S rRNA ( ITS ) and elongation factor 1-α ( EF1-α ) genes of the pathogen were amplified and sequenced. We also found that the systemic chemical fungicides, Score ® , Cidely ® Top, and Penthiopyrad ® , significantly inhibited the mycelial growth of L. theobromae both in vitro and in the greenhouse. Cidely ® Top proved to be a highly effective fungicide against L. theobromae dieback disease also under field conditions. Altogether, the morphology of the fruiting structures, molecular identification and pathogenicity tests confirm that the causal agent of the mango dieback disease in the UAE is L. theobromae .

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Section: Introductionmentioning

confidence: 99%

Detection and Management of Mango Dieback Disease in the United Arab Emirates

Saeed

Sham

AbuZarqa

et al. 2017

IJMS

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“…spp. were also found to be higher in other species of ascomycetes belonging to both dothideomycetes and sordariomycetes (Zhao et al 2013;Morales-Cruz et al 2015;Paolinelli-Alfonso et al 2016).…”

Section: Lignin-degrading and Lytic Polysaccharide Mono-oxygenase (Lpmo)mentioning

confidence: 81%

Genome-wide annotation, comparison and functional genomics of carbohydrate-active enzymes in legumes infecting Fusarium oxysporum formae speciales

Roy

Jayaprakash

et al. 2020

Mycology

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Fusarium wilt caused by soil borne ascomycetes fungi Fusarium oxysporum which has host-specific forms known as formae speciales (ff. spp.), apparently requires plant cell wall degrading enzymes (PCWDE) for successful invasion. In this study, 12 F. oxysporum ff. spp. were taken for genome-wide annotation and comparative analysis of CAZymes, with an assessment of secretory PCWDE and orthologues identification in the three legumes infecting ff. spp. Further, transcriptomic analysis in two legumes infecting ff. spp. using publically available data was also done. The comparative studies showed Glycoside hydrolase (GH) families to be abundant and Principle Component Analysis (PCA) formed two distinct clusters of ff. spp. based on the CAZymes modules and families. Nearly half of the CAZymes in the legumes infecting ff. spp. coded for signal peptides. The orthologue clusters of secretory CAZymes common in all the three legume infecting ff. spp. mostly belonged to families of AA9, GH28, CE5 and PL1 and the expression analysis revealed the abundant PCWDE were differentially expressed in these legumes infecting ff. spp. Therefore, this study gave an insight into the distribution of CAZymes especially extracellular PCWDE in legumes infecting ff. spp. with further shedding light onto some of the key PCWDE families through differential expression analysis.

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“…Reports have shown that certain varieties are highly susceptible [171][172]. In vivo studies demonstrated that L. theobromae becomes aggressive in colonizing host tissues when plants are under abiotic stress, such as heat, water stress, or drought stresses [173][174]. In general, dieback is one of the deadly diseases of mango, which causes serious damage to the tree and its productivity [175].…”

Section: Cause Disease Cycle and Symptomsmentioning

confidence: 99%

Mango Diseases: Impact of Fungicides

Khaskheli¹

2020

Horticultural Crops

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Mango, Mangifera indica L., is known to be the king of all fruits due to its delicious taste, marvelous fragrance, and beautiful appearance. However, several infectious diseases caused by many phytopathogens are deteriorating mango quality and quantity. Mango tree and fruit have been affected by about 83 diseases reported worldwide, and in Pakistan, 27 diseases are recognized as more important. Disease control always remains a challenge for the farmers to get optimum production especially due to pesticide resistance. Resistance to fungicide in current days is a major threat to plant disease management. In many cases, plant pathogen resistance could develop naturally; thus, several newly developed chemistries of fungicides remain at high risk. However, research toward an increase of resistance and delay in disease development has been undertaken. Existing fungicide chemistry, sometimes, renamed with new trade name does not satisfy the farmer to apply such fungicides for disease management. However, chemical fungicides are believed to be a significant way to control fungal pathogens or sometimes to inhibit and prevent the development of pathogens. However, due to pathogen resistance development, it is hard to manage plant diseases. Therefore, the impacts of such fungicide management in some important mango diseases are discussed in this chapter.

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Global transcriptional analysis suggests Lasiodiplodia theobromae pathogenicity factors involved in modulation of grapevine defensive response

Cited by 54 publications

References 112 publications

Detection and Management of Mango Dieback Disease in the United Arab Emirates

Detection and Management of Mango Dieback Disease in the United Arab Emirates

Genome-wide annotation, comparison and functional genomics of carbohydrate-active enzymes in legumes infecting Fusarium oxysporum formae speciales

Mango Diseases: Impact of Fungicides

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