Phylogeny and taxonomy of Rhytisma-like species worldwide

Wang, Qiutong; Guo, Mei-Jun; Lv, Tu; Zhou, Hanwen; Wang, Shuang; Wang, Shijuan; Lin, Ying-Ren; Gronefeld, Sarah; Kirschner, Roland; Piepenbring, Meike; Hofmann, Tina A.; Cannon, P. F.; Hou, Cheng‐Lin

doi:10.1007/s13225-023-00519-2

Cited by 1 publication

(3 citation statements)

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“…The research on genus Rhytisma Fr. and its close relatives (Wang et al., 2023) is a start to recognizing phylogenetically supported taxa within the family, but a lack of DNA sequence data for many key taxa limits classification based solely on morphology.…”

Section: Taxonomy Phylogeny and Diversitymentioning

confidence: 99%

“…which suggests that genus‐level relationships are poorly understood (Lantz et al., 2011). To redefine Rhytismataceae would require comprehensive sampling and phylogenetic investigations that encompass type species and genera that have limited molecular information (Tanney & Seifert, 2017; Wang et al., 2023).…”

Section: Taxonomy Phylogeny and Diversitymentioning

confidence: 99%

“…Darker (1967a) and(1967b) In 1983, Eriksson (1983 merged Hypodermataceae into Rhytismataceae. Phylogenetic analysis later revealed no evidence for separation of Hypodermataceae and Rhytismataceae based on consistent grouping of member species within the Rhytismataceae clade (Gernandt et al, 2001;Johnston et al, 2019), although recent divergence estimates suggested resurrecting Hypodermataceae to separate the monophyletic Rhytisma sensu latu clade at the family level (Wang et al, 2023). About 770 species in 69 genera are currently classified within Rhytismataceae (Ekanayaka et al, 2019;GBIF.…”

Section: Ta Xonomy Phylog Eny and Diversit Ymentioning

confidence: 99%

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Needle pathogens of Rhytismataceae: Current knowledge and research opportunities for conifer foliar diseases

Ata,

Burns,

Stewart

2024

Forest Pathology

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Needle diseases caused by pathogens within Rhytismataceae are increasing in frequency globally where pines are either a predominate species or are grown commercially, and yet remain poorly understood. Here, we provide background information on the current knowledge and management strategies of needle pathogens in the Rhytismataceae and discuss research opportunities using molecular tools to fill knowledge gaps. Many of the aggressive needle pathogens within this group lack morphological features to delimit species and are difficult to grow in axenic cultures, which complicates scientific investigations. Molecular research has greatly advanced knowledge of this unique group of pathogens. Nucleotide sequences from multiple gene loci identified greater diversity within this group of pathogens than previously thought, as new and cryptic species are being discovered in broader geographic regions. High throughput sequencing and analyses revealed that an endophytic lifestyle is a common trait among fastidious if not obligate needle pathogens within Rhytismataceae. Further, molecular analyses showed the impact these pathogens have on the diversity of endophytic microbiota is underestimated. Early detection in healthy‐looking needles using PCR‐based markers greatly improves capabilities for disease diagnosis and monitoring. Despite growing number of molecular studies on Rhytismataceae needle pathogens, fundamental questions on the taxonomy, phylogeny, ecology and pathology of many Rhytismataceae needle pathogens remain unanswered. Nonetheless, with the projected changes in the occurrence and severity of Rhytismataceae pathogens, increased accessibility to molecular tools vastly expands the potential to gain more insights into understudied needle pathosystems to help define and address its impact under changing environments and consequently inform forest disease management more effectively.

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Section: Taxonomy Phylogeny and Diversitymentioning

confidence: 99%