Elucidating the Colletotrichum spp. diversity responsible for papaya anthracnose in Brazil

Vieira, Willie Anderson dos Santos; Veloso, Josiene Silva; Silva, Anthony Carlos da; Nunes, Angélica dos Santos; Doyle, Vinson P.; Castlebury, Lisa A.; Câmara, Marcos Paz Saraiva

doi:10.1016/j.funbio.2022.08.001

Cited by 7 publications

(5 citation statements)

References 30 publications

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“…The diversity of species found in this study reflects, and even surpasses, the diversity found in earlier studies conducted with other tropical fruit species in a single country, such as mango (Lima et al., 2013) and papaya (Vieira et al., 2022). Even accounting for the worldwide variability of Colletotrichum species found on mango ( n = 26) or papaya ( n = 17), the list of 16 species detected in this study in one (admittedly very large) country is impressive.…”

Section: Discussionsupporting

confidence: 74%

“…gloeosporioides and C . karsti , are ubiquitous plant pathogens, infecting several other tropical fruit crops in Brazil (e.g., Bragança et al., 2014; Lima et al., 2013; Silva et al., 2021; Soares et al., 2020; Veloso et al., 2018; Vieira et al., 2022). Therefore, a flow of Colletotrichum isolates between guava (and other Myrtaceae ) and other botanical families cannot be ruled out.…”

Section: Discussionmentioning

confidence: 99%

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Diversity of Colletotrichum causing anthracnose on Psidium guajava in varied Brazilian physiographic regions

Soares,

Vieira,

Reis

et al. 2024

Plant Pathology

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Anthracnose, caused by several Colletotrichum species, is a major restricting factor for guava production, but no comprehensive study of the causal agent has been conducted from the plant host centre of diversity. This work characterizes isolates from guava, mainly from the fruit, but also leaves and flowers, representing most Brazilian physiographies according to the partial sequences of the rDNA‐ITS, ApMAT, TUB2, HIS3 and GAPDH gene regions. In addition, the pathogenicity and aggressiveness to fruits of two widely planted guava varieties (SLG and RM) are described. Guava‐derived Colletotrichum isolates were found in five complexes: gloeosporioides, acutatum, boninense, gigasporum and orchidearum. The gloeosporioides complex was the most prevalent (81%), followed by the acutatum complex (14%). A total of 16 Colletotrichum species were naturally associated with guava anthracnose: C. aeschynomenes, C. asianum, C. chrysophilum, C. fructicola, C. gigasporum, C. gloeosporioides, C. karsti, C. melonis, C. musae, C. nymphaeae, C. paranaense, C. siamense, C. sojae, C. syzygicola, C. theobromicola and C. tropicale. Apart from C. nymphaeae and C. gloeosporioides, all the remaining 14 taxa are reported for the first time in P. guajava. The most aggressive species belonged to the C. gloeosporioides complex. C. siamense was the most prevalent, especially in warmer regions, followed by C. chrysophilum, mostly in temperate environments. The most aggressive species were C. siamense, C. chrysophilum, C. fructicola and C. tropicale. Fruits of the variety SLG were consistently more resistant to anthracnose than the fruits of RM.

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Section: Discussionsupporting

confidence: 74%

Section: Discussionmentioning

confidence: 99%

Diversity of Colletotrichum causing anthracnose on Psidium guajava in varied Brazilian physiographic regions

Soares,

Vieira,

Reis

et al. 2024

Plant Pathology

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“…Although the first aspect is easily understood, the underlying reason why Colletotrichum induces the release of flavonoids from Tartary buckwheat remains unclear. However, a significant amount of research has focused on Colletotrichum's ability to cause anthracnose in plants, thereby posing a threat to their survival (Camiletti et al, 2022;de Aguiar Carraro et al, 2022;Willie Anderson et al, 2022). When plants encounter abiotic or biotic stress, they tend to accumulate substantial amounts of phenolic compounds in their tissues (Pedras et al, 2011).…”

Section: Discussionmentioning

confidence: 99%

The diversity of endophytic fungi in Tartary buckwheat (Fagopyrum tataricum) and its correlation with flavonoids and phenotypic traits

Chen,

Ding,

Zhou

et al. 2024

Front. Microbiol.

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Tartary buckwheat (Fagopyrum tataricum) is a significant medicinal crop, with flavonoids serving as a crucial measure of its quality. Presently, the artificial cultivation of Tartary buckwheat yields low results, and the quality varies across different origins. Therefore, it is imperative to identify an effective method to enhance the yield and quality of buckwheat. Endophytic fungi reside within plants and form a mutually beneficial symbiotic relationship, aiding plants in nutrient absorption, promoting host growth, and improving secondary metabolites akin to the host. In this study, high-throughput sequencing technology was employed to assess the diversity of endophytic fungi in Tartary buckwheat. Subsequently, a correlation analysis was performed between fungi and metabolites, revealing potential increases in flavonoid content due to endophytic fungi such as Bipolaris, Hymenula, and Colletotrichum. Additionally, a correlation analysis between fungi and phenotypic traits unveiled the potential influence of endophytic fungi such as Bipolaris, Buckleyzyma, and Trichosporon on the phenotypic traits of Tartary buckwheat. Notably, the endophytic fungi of the Bipolaris genus exhibited the potential to elevate the content of Tartary buckwheat metabolites and enhance crop growth. Consequently, this study successfully identified the resources of endophytic fungi in Tartary buckwheat, explored potential functional endophytic fungi, and laid a scientific foundation for future implementation of biological fertilizers in improving the quality and growth of Tartary buckwheat.

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“…It also infects many tropical fruits, such as mango (Mangifera indica) [5], banana (Musa spp.) [6], and papaya (Carica papaya) [7], as well as some tropical cash crops, such as rubber (Hevea brasiliensis) [8] and cassava (Manihot esculenta) [9]. Moreover, it results in the occurrence of anthracnose.…”

Section: Introductionmentioning

confidence: 99%

The Involvement of the Laccase Gene Cglac13 in Mycelial Growth, Germ Tube Development, and the Pathogenicity of Colletotrichum gloeosporioides from Mangoes

Zhang

Xiao

Tan

et al. 2023

JoF

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Colletotrichum gloeosporioides is one of the most serious diseases that causes damage to mangoes. Laccase, a copper-containing polyphenol oxidase, has been reported in many species with different functions and activities, and fungal laccase could be closely related to mycelial growth, melanin and appressorium formation, pathogenicity, and so on. Therefore, what is the relationship between laccase and pathogenicity? Do laccase genes have different functions? In this experiment, the knockout mutant and complementary strain of Cglac13 were obtained through polyethylene glycol (PEG)-mediated protoplast transformation, which then determined the related phenotypes. The results showed that the knockout of Cglac13 significantly increased the germ tube formation, and the formation rates of appressoria significantly decreased, delaying the mycelial growth and lignin degradation and, ultimately, leading to a significant reduction in the pathogenicity in mango fruit. Furthermore, we observed that Cglac13 was involved in regulating the formation of germ tubes and appressoria, mycelial growth, lignin degradation, and pathogenicity of C. gloeosporioides. This study is the first to report that the function of laccase is related to the formation of germ tubes, and this provides new insights into the pathogenesis of laccase in C. gloeosporioides.

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Elucidating the Colletotrichum spp. diversity responsible for papaya anthracnose in Brazil

Cited by 7 publications

References 30 publications

Diversity of Colletotrichum causing anthracnose on Psidium guajava in varied Brazilian physiographic regions

Diversity of Colletotrichum causing anthracnose on Psidium guajava in varied Brazilian physiographic regions

The diversity of endophytic fungi in Tartary buckwheat (Fagopyrum tataricum) and its correlation with flavonoids and phenotypic traits

The Involvement of the Laccase Gene Cglac13 in Mycelial Growth, Germ Tube Development, and the Pathogenicity of Colletotrichum gloeosporioides from Mangoes

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