Loading…

Two New Arthoniales Species (Lichenized Ascomycota) From Brazil

Objective: The present work aimed to describe, comment, and illustrate two new lichenized species of Ascomycota.   Method: Morphological analyses of the samples were performed at the Laboratory in the State University of Bahia (UNEB), Campus VIII. The lichen thalli were observed using a stereomicros...

Full description

Saved in:
Bibliographic Details
Published in:RGSA : Revista de Gestão Social e Ambiental 2024-01, Vol.18 (4), p.e04543
Main Authors: Silva, Tássio Ewerton Ferino, Da Silva, Mabel Sherlla Rozendo Campos, Dos Santos, Maiara Araújo Lima, Cáceres, Marcela Eugenia da Silva, Aptroot, André, Vitória, Nadja Santos
Format: Article
Language:English
Citations: Items that this one cites
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Objective: The present work aimed to describe, comment, and illustrate two new lichenized species of Ascomycota.   Method: Morphological analyses of the samples were performed at the Laboratory in the State University of Bahia (UNEB), Campus VIII. The lichen thalli were observed using a stereomicroscope (Zeiss); chemical treatments were performed to observe the microscopic structures of the lichens after exposure to 10% KOH (potassium hydroxide), lactophenol (cotton blue), Melzer’s reagent, chlorine, and viewed under UV light. The chemical compositions of the lichen were examined using thin layer chromatography (TLC) at the Biochemical Laboratory of the Federal University of Pernambuco.   Results and conclusion: Stirtonia juaensis and Cryptothecia paramacrocephala are two new lichenized species of Ascomycota found colonizing the plants Spondias tuberosa Arruda (Umbuzeiro) and Piptadenia moniliformis Benth. (Quipembe) in the Caatinga phytogeographical domain near the village of Juá in the municipality of Paulo Afonso, within the Raso da Catarina Ecoregion in northern Bahia State, Brazil.   Originality/value: Research related to lichen taxonomy in Brazil is still scarce, especially in the Caatinga. The new species of Stirtonia and Cryptothecia described and illustrated in this work expand the knowledge about fungi in Brazil. Objetivo: O presente trabalho teve como objetivo descrever, comentar e ilustrar duas novas espécies de Ascomycota liquenizados. Método: No Laboratório da Universidade do Estado da Bahia (UNEB), Campus VIII, foram realizadas análises morfológicas. Os talos dos liquens foram observados em estereomicroscópio (Zeiss); tratamentos químicos foram realizados para observar as estruturas microscópicas dos liquens após exposição a KOH 10% (hidróxido de potássio), lactofenol (azul de algodão), reagente de Melzer, cloro e visualizados sob luz UV. As composições químicas dos liquens foram examinadas por cromatografia em camada delgada (TLC) no Laboratório de Bioquímica da Universidade Federal de Pernambuco. Resultados e conclusão: Stirtonia juaensis e Cryptothecia paramacrocephala são duas novas espécies liquenizadas de Ascomycota encontradas colonizando as plantas Spondias tuberosa Arruda (Umbuzeiro) e Piptadenia moniliformis Benth. (Quipembe) no domínio fitogeográfico da Caatinga próximo ao povoado de Juá no município de Paulo Afonso, dentro da Ecorregião Raso da Catarina no norte do estado da Bahia, Brasil. Originalidade/valor: As pesquisas relaci
ISSN:1981-982X
1981-982X
DOI:10.24857/rgsa.v18n4-022