Two new species of Penicillium (Eurotiales, Aspergillaceae) and the first record of P. danzhouense from mangrove sediment in Thailand, with notes on antibacterial activity

Supapongsri, Vassana; Sahathippayakul, Ananya; Sirisarn, Wanchat; Chand, Mohit; Chou, Jui-Yu; Lueangjaroenkit, Piyangkun

doi:10.3897/mycokeys.126.172211

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Article: Two new species of Penicillium (Eurotiales, Aspergillaceae) and the first record of P. danzhouense from mangrove sediment in Thailand, with notes on antibacterial activity

Title

Two new species of Penicillium (Eurotiales, Aspergillaceae) and the first record of P. danzhouense from mangrove sediment in Thailand, with notes on antibacterial activity

By

Supapongsri, Vassana
Sahathippayakul, Ananya
Sirisarn, Wanchat
Chand, Mohit
Chou, Jui-Yu
Lueangjaroenkit, Piyangkun

Type

Article

Date of Publication

2025-12-22

Original Publication

MycoKeys

Volume

126

Pages

213--238

Subjects

Exilicaulis , Lanata-Divaricata , mangrove sediment , new species , Penicillium , phylogenetic analysis

Contributed by

Pensoft Publishers

Language

English

Published by

Sofia, Bulgaria Pensoft Publishers 2011-

Identifiers

DOI: https://doi.org/10.3897/mycokeys.126.172211

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License Type URL: https://creativecommons.org/licenses/by/4.0/
Rights: https://biodiversitylibrary.org/permissions
Copyright Status: In copyright. Digitized with the permission of the rights holder.
Rights Holder: Copyright held by individual article author(s).

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expand Abstract

Two novel species of Penicillium , comprising P. chanthaburiense sp. nov. and P. buranakarlianum sp. nov. , were isolated from mangrove sediment collected at the King Rama IX International Mangrove Botanical Garden in Chanthaburi Province, Thailand. Morphological characterization combined with multilocus phylogenetic analyses of the internal transcribed spacer (ITS), β-tubulin ( TUB ), calmodulin ( CaM ), and RNA polymerase II second largest subunit (RPB2) genes placed P. chanthaburiense sp. nov. as a new member of section Exilicaulis, series Erubescentia , while P. buranakarlianum sp. nov. was assigned to section Lanata-Divaricata, series Janthinella . In addition, this study reports the first record of P. danzhouense from mangrove sediment in Thailand. Diagnostic morphological and molecular features distinguishing these taxa from their closest phylogenetic relatives are presented. These findings enrich the taxonomic framework of Penicillium and contribute to the understanding of fungal biodiversity in mangrove ecosystems. Furthermore, P. chanthaburiense sp. nov. exhibited antibacterial activity against several clinically relevant Gram-positive pathogens, including methicillin-resistant Staphylococcus aureus (MRSA), highlighting the potential of mangrove-derived Penicillium species in antimicrobial research.