科莱托里奇姆 (Colletotrichum) 种类的多样性与火生 (anthracnose) 相关
Ingrid Gomes Duarte1, Ana Gabriele Gurgel Amaral1, Willie Anderson Dos Santos Vieira1
1Departamento de Agronomia, Universidade Federal Rural de Pernambuco, Recife, 52171-900, Brazil.
Mycologia
|July 26, 2023
概括
在火生中发生的甲病是由Colletotrichum物种引起的. 这项研究确定了八种Colletotrichum物种,包括三种新物种,并证实了它们的致病性,有助于疾病管理.
科学领域:
- 植物病理学 植物病理学
- 菌类学 菌类学是指菌类学.
- 分子生物学分子生物学
背景情况:
- 由Colletotrichum物种引起的炭病显著影响火生产,影响美学和商业价值.
- 准确识别Colletotrichum物种对于开发有效的疾病管理策略至关重要.
研究的目的:
- 为了表征与巴西珀南布科州和塞拉拉州的火甘 (anthracnose) 相关的Colletotrichum物种.
- 为了识别新的Colletotrichum物种并评估它们对火的致病性.
主要方法:
- 使用七个基因位点 (APN2,APN2/MAT-IGS,CAL,GAP2-IGS,GS,TUB2) 对48个Collettotrichum分离物的分子鉴定.
- 遗传学分析以确定物种划界.
- 使用代表性隔离物对火支架进行致病性测试.
主要成果:
- 鉴定了五种已知的物种 (C. chrysophilum,C. fructicola,C. siamense,C. theobromicola,C. tropicale) 和三种新物种 (C. atlanticum,C. floscerae,C. zingibericola).这些物种的种类包括:
- C. atlanticum被确定为最主要的物种.
- 所有已识别的Colletotrichum物种都是致病的.
结论:
- 这项研究扩大了巴西与火甘 (Anthracnose) 相关的Colletotrichum多样性的知识.
- 这些发现强调了精确的物种识别对于在火生种植中进行向性疾病控制的重要性.
更多相关视频
11:48A Contrast of Three Inoculation Techniques used to Determine the Race of Unknown Fusarium oxysporum f.sp. niveum Isolates
Published on: October 28, 2021
3.3K
06:58Author Spotlight: Evaluation of Entomopathogenic Fungi in Wild Monochamus alternatus Populations for Biocontrol Applications in Forest Wood Borers
Published on: September 29, 2023
796
相关概念视频
01:29Fungal Group Zygomycota
43
Zygomycota, previously classified as a distinct fungal group, are primarily terrestrial, saprophytic molds that play a crucial role as decomposers. Recent phylogenetic studies have revealed that these fungi are now divided into two major clades — Mucoromycota, which includes many symbiotic species, and Zoopagomycota, which primarily consists of parasitic and pathogenic fungi. These groups exhibit distinct ecological roles and reproductive strategies while sharing key structural and...
43
01:28Fungal Phylum Ascomycota
42
Phylum Ascomycota, a major division within the subkingdom Dikarya, comprises a diverse range of fungal species, including both unicellular yeasts and filamentous molds such as Aspergillus and Penicillium. These fungi thrive in a variety of habitats, from aquatic ecosystems to terrestrial environments, playing crucial ecological and economic roles.Morphology and ReproductionThe defining characteristic of Ascomycetes, commonly referred to as sac fungi, is the ascus—a sac-like structure that...
42
01:28Fungal Phylum Microsporidia
41
Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
41
01:26Fungal Phylum Basidiomycota
125
Basidiomycota is a diverse phylum of fungi that includes ecologically significant decomposers such as white rot fungi, symbionts like mycorrhizal fungi, plant pathogens such as rusts and smuts, and edible species like Agaricus bisporus (the common button mushroom). These fungi play crucial roles in nutrient cycling, symbiotic relationships, and even human health. Their defining feature is the basidium, a microscopic club-shaped structure responsible for producing basidiospores.Fruiting Bodies...
125
01:27Diversity of Protists IV
38
Amoebozoa represent a diverse group of terrestrial and aquatic protists that utilize lobe-shaped pseudopodia for locomotion and feeding. This characteristic differentiates them from the Rhizaria, which possess threadlike pseudopodia. The primary classifications within Amoebozoa include gymnamoebas, entamoebas, and the plasmodial and cellular slime molds. Phylogenetic evidence indicates that Amoebozoa diverged from a lineage that ultimately gave rise to fungi and animals.Gymnamoebas and...
38
01:27Diversity of Protists III
50
Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...
50