Abstract
North-western India is well-known for its unique fungal biodiversity, especially for asexual Ascomycota. The present study introduces yet another new fungus from this region, characterized by forming unusual synnemata-like structures that give rise to pigmented dictyoconidia. Phylogenetic analyses, based on SSU, LSU, ITS, and TEF1α sequence data revealed that this unique synnematous fungus formed a distinct lineage within Lentitheciaceae. Groenewaldia gen. nov., based on Groenewaldia indica, is introduced here for this fungus isolated from the bark of Eucalyptus tereticornis collected in the Hoshiyarpur area of the state of Punjab. Groenewaldia is the first synnematous member of Lentitheciaceae, having dictyosporous conidia. Phylogenetically, Groenewaldia is distant from all known genera of Lentitheciaceae and forms a basal lineage adjacent to Pseudomurilentithecium.
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Data Availability
All sequence data generated for this study can be accessed via GenBank. Taxonomy details are deposited in MycoBank (nomenclature is verified with Curator).
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Acknowledgements
RKC thanks Dr. P. K. Dhakephalkar, Director, MACS Agharkar Research Institute, Pune, for providing laboratory facilities and motivation in our work.
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This research was funded by the SERB, DST, India, under the project CRG/2020/000668. Sruthi O. P. received financial support from the CSIR-HRDG, India, under the JRF fellowship (09/0670(13602)/2022-EMR-I).
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Conceptualisation: Rajeshkumar K. C.; methodology: Rajeshkumar K. C., Onden Paraparath Sruthi; formal analysis and investigation: Rajeshkumar K. C., Onden Paraparath Sruthi, Pedro W. Crous (final tree analyses), Rajeshkumar K. C., Rajnish K. Varma, Onden Paraparath Sruthi, Ajay Kumar Gautam (collection, data, lab work, taxonomy, preliminary analyses); writing—original draft preparation: Rajeshkumar K. C., Onden Paraparath Sruthi, Pedro W. Crous; writing—review and editing: Rajeshkumar K. C., Pedro W. Crous, Rajnish K. Varma; funding acquisition: Rajeshkumar K. C.; resources: Rajeshkumar K. C.; supervision: Rajeshkumar K. C.
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Rajeshkumar, K.C., Varma, R.K., Sruthi, O.P. et al. Groenewaldia (Lentitheciaceae), a new corticolous fungal genus from India. Mycol Progress 22, 43 (2023). https://doi.org/10.1007/s11557-023-01888-3
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DOI: https://doi.org/10.1007/s11557-023-01888-3