Curvularia species complex Associated with Brown Leaf Spot of Rice DOI Creative Commons
Stephen Larbi-Koranteng, Joseph Adomako,

Titus Bukari

et al.

Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 12, 2024

Abstract Brown leaf spot disease (BLSD) of rice results in germination failure, seedling mortality, yield reduction and quality. The is distributed worldwide, reducing to about 30–40%. study sought isolate brown pathogen(s) from determine their pathogenicity identity (morphological molecular). Diseased leaves with typical symptoms BLSD were sampled cut into pieces (1 cm), disinfected 3% Clorox (commercial bleach), arranged equidistantly on PDA medium plates for fungal pathogen’s growth. pathogens identified between 5–7 days after incubation using morphological features later confirmed by molecular techniques DNA sequencing BLAST analysis. isolation virulence/pathogenicity carried out at Council Scientific Industrial Research (CSIR)-Crop Institute (CRI), Kumasi. All isolates obtained during the then inoculated 3-weeks-old seedlings. included C. lunata, soli, geniculata, senegalensis subpapendorfii. showed similar what was observed field plants confirming through Koch postulate. investigation Curvularia displayed existence a pathogenic variability among isolates. Apart which known pathogen associated Ghana, new species such as subpapendorfii found be complex causing individually, suggesting together they contribute severity complex. current therefore suggests that soli, C. senegalensis, geniculata are blown Ghana sequenced data have since been deposited NCBI GenBank following assigned accession numbers; soli (PP564496), (PP564498 PP564499), (PP564502) (PP564501).

Language: Английский

What are the 100 most cited fungal genera? DOI

C.S. Bhunjun,

Yijun Chen, Chayanard Phukhamsakda

et al.

Studies in Mycology, Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 1, 2024

Language: Английский

Citations

23
Deciphering the new pinpoint leaf disease in India caused by Curvularia dactyloctenicola on Costus speciousus DOI

Seema Nimbarte,

Vijay Govindrao Manwatkar,

Madhuri Umaji Thakare

et al.

Vegetos, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 9, 2025

Language: Английский

Citations

0
Morphological and molecular characterization of Curvularia species from Iran, with description of two novel species and two new records DOI
Abdollah Ahmadpour, Zeinab Heidarian, Youbert Ghosta

et al.

Mycologia, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 25

Published: Feb. 24, 2025

Curvularia species exhibit a wide range of ecological roles, including plant, animal, or human pathogens, as well epiphytes, saprophytes, endophytes, predominantly associated with cultivated cereals. In this study, several fungal isolates similar characteristics in the genus were recovered from various poaceous hosts (Poales plants) different locations Iran during 2012‒2022. Based on morphological and multilocus phylogeny translation elongation factor-1 alpha (TEF1), glyceraldehyde-3-phosphate dehydrogenase (GAPDH), internal transcribed spacer (ITS-rDNA) genes, studied assigned to five species, which caspica, sp. nov. C. cyperi, are introduced novel nodulosa oryzae new records for Iran's mycobiota. Molecular studies revealed closer relationship between one (Curvularia sp.) frankliniae. However, due absence detailed frankliniae, comparisons not feasible. To precisely establish their phylogenetic position, more need be analyzed. Consequently, was identified study. Additionally, clade, "papendorfii," established accommodate 11 that share common form distinct clade analyses. The morphology, habitat, distribution, evolutionary relationships each other analyzed, accompanied by illustrations descriptions. This comprehensive study offers valuable insights into diversity distribution enhancing our understanding ecology taxonomy.

Language: Английский

Citations

0
Diversity of Pleosporalean Fungi Isolated from Rice (Oryza sativa L.) in Northern Thailand and Descriptions of Five New Species DOI Creative Commons
Sahar Absalan, Alireza Armand, Ruvishika S. Jayawardena

et al.

Journal of Fungi, Journal Year: 2024, Volume and Issue: 10(11), P. 763 - 763

Published: Nov. 2, 2024

Pleosporales represents the largest order within class Dothideomycetes (Fungi), comprising phytopathogenic, saprobic, and endophytic taxa with a widespread presence in terrestrial aquatic environments. Rice (Oryza sativa) is primary economic crop numerous tropical countries, particularly Thailand. Studying fungal species associated rice holds potential to enhance our understanding of diversity, lifestyles, biology rice, offering valuable insights for future research aimed at disease management yield improvement. Thirty-nine pleosporalean isolates were obtained from various parts plants collected across diverse regions Chiang Rai Province, Species identification involved combination morphology molecular phylogeny, utilizing multi-locus sequence analyses ITS, LSU, SSU, gapdh, rpb2, tef1, tub2 genes. The identified 18 distributed five families ten genera, including new (Bipolaris chiangraiensis, Ophiosphaerella oryzae, Paraphaeosphaeria Pyrenochaetopsis oryzicola, Setophoma oryzicola). Additionally, six host records two geographical are documented. Photoplates, detailed morphological descriptions, phylogenetic trees provided elucidate placement both known novel taxa.

Language: Английский

Citations

0
Curvularia species complex Associated with Brown Leaf Spot of Rice DOI Creative Commons
Stephen Larbi-Koranteng, Joseph Adomako,

Titus Bukari

et al.

Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 12, 2024

Abstract Brown leaf spot disease (BLSD) of rice results in germination failure, seedling mortality, yield reduction and quality. The is distributed worldwide, reducing to about 30–40%. study sought isolate brown pathogen(s) from determine their pathogenicity identity (morphological molecular). Diseased leaves with typical symptoms BLSD were sampled cut into pieces (1 cm), disinfected 3% Clorox (commercial bleach), arranged equidistantly on PDA medium plates for fungal pathogen’s growth. pathogens identified between 5–7 days after incubation using morphological features later confirmed by molecular techniques DNA sequencing BLAST analysis. isolation virulence/pathogenicity carried out at Council Scientific Industrial Research (CSIR)-Crop Institute (CRI), Kumasi. All isolates obtained during the then inoculated 3-weeks-old seedlings. included C. lunata, soli, geniculata, senegalensis subpapendorfii. showed similar what was observed field plants confirming through Koch postulate. investigation Curvularia displayed existence a pathogenic variability among isolates. Apart which known pathogen associated Ghana, new species such as subpapendorfii found be complex causing individually, suggesting together they contribute severity complex. current therefore suggests that soli, C. senegalensis, geniculata are blown Ghana sequenced data have since been deposited NCBI GenBank following assigned accession numbers; soli (PP564496), (PP564498 PP564499), (PP564502) (PP564501).

Language: Английский

Citations

0