Wetchasart Polyiam

ORCID: 0009-0002-5593-4508
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About
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Research Areas
  • Lichen and fungal ecology
  • Mycorrhizal Fungi and Plant Interactions
  • Botany and Plant Ecology Studies
  • Plant Pathogens and Fungal Diseases
  • Allergic Rhinitis and Sensitization
  • Genomics and Phylogenetic Studies
  • Heavy metals in environment
  • Actinomycetales infections and treatment
  • Semantic Web and Ontologies
  • Microbial Natural Products and Biosynthesis
  • Microbial Community Ecology and Physiology
  • Biomedical Text Mining and Ontologies

Suranaree University of Technology
2024

Ramkhamhaeng University
2016-2024

Sirindhorn College of Public Health
2024

A new revised checklist of lichenized fungi in Thailand is presented, including 1,292 species. Recent work on the taxonomy these organisms resulted an enormous increase our knowledge lichen biota country – current includes more than twice as many species previous catalogue published 15 years ago and phylogenetic studies numerous changes generic classification fungi. Hence, a here presented summarizing lichens Thailand. Six records are reported, viz. Acanthothecis salazinica, Bactrospora...

10.3897/mycokeys.23.12666 article EN cc-by MycoKeys 2017-06-08

More than 100 lichens have been found and identified in Thailand over the last century. Lichens perform useful environmental functions. Normally, they grow on trees, rocks soils, various forms colours. They provide shelter food for animals plants. can also be used as indicators of air pollution, some are researched drugs, dyes, deodorants extracts. This paper presents an ontology Thailand, using lichen data from Khao Pluang, Lopburi, Thailand. The database developed makes major contributions...

10.1553/eco.mont-16-1s39 article EN cc-by-nc-nd eco mont (Journal on Protected Mountain Areas Research) 2024-01-01

Abstract Parmeliaceae is the largest family of lichen-forming fungi with a worldwide distribution. We used target enrichment data set and qualitative selection method for 250 out 350 genes to infer phylogeny major clades in this including 81 taxa, both subfamilies all seven previously recognized subfamily Parmelioideae . The reduced genome-scale was analyzed using concatenated-based Bayesian inference two different Maximum Likelihood analyses, coalescent-based species tree method. resulting...

10.1186/s43008-020-00051-x article EN cc-by IMA Fungus 2020-12-01

We provide an updated account on the species of Cruentotrema-Dyplolabia clade in Graphidaceae subfamily Fissurinoideae, describing three new species: Cruentotrema lirelliforme J. Kalb, Polyiam & K. differing from thailandicum lirelliform ascomata; Dyplolabia chumphonensis Kalb oryzoides by smaller ascospores; and dalywaiana Rivas Plata, Bawingan Lücking, other angular, erumpent asomata with broadly exposed disc irregular pseudocolumella. In addition, two further are recognized as...

10.11646/phytotaxa.268.2.2 article EN Phytotaxa 2016-07-20

Abstract Aptrootia khaoyaiensis Polyiam & Lücking is described as new to science from dry dipterocarp forest in central Thailand, based on morphological assessment and sequence data of the mitochondrial small subunit (mtSSU). The species characterized by a corticolous habit, corticate thallus, ascomata typically immersed with brown blackish ostiolar region, an inspersed hamathecium, dark brown, muriform ascospores occurring 1–2 per ascus. Phylogenetic analyses support placement ; it...

10.1017/s0024282924000136 article EN The Lichenologist 2024-05-28

Abstract Three new species of thelotremoid lichens, Ampliotrema subglobosum Poengs. & Lumbsch, Ocellularia lichexanthonica Lumbsch and O. saxiprotocetrarica are described illustrated based on specimens from southern Thailand. is similar to A. globosum but differs by having larger ascospores with more septa. subdolichotata in ascomata diameter containing lichexanthone. gentingensis ascospore length the number septa has narrower contains protocetraric acid. Fifteen reported for first time...

10.1017/s0024282924000094 article EN The Lichenologist 2024-05-01

Two novel actinomycete strains, designated as V23-08 T and V4-01 , were isolated from a foliose lichen collected in Doi Inthanon National Park, Chiang Mai Province, Thailand. Strain showed the highest similarity (98.40%) to Amycolatopsis tolypomycina DSM 44544 . Similarly, strain 16S rRNA gene relatedness (98.89%) Actinacidiphila acidipaludis PLK6-54 Chemotaxonomic analysis revealed distinct characteristics for each strain. The isomers of diaminopimelic acid identified meso -DAP ll...

10.1099/ijsem.0.006598 article EN INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY 2024-12-11
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