Mark Calabon

Mark Calabon
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Mark verified their affiliation via an institutional email.
Verified
Mark verified their affiliation via an institutional email.
University of the Philippines Visayas | UPV · Faculty of Biological Sciences

PhD Biological Science (Aquatic Mycology)
Systematics of aquatic fungi

About

57
Publications
62,388
Reads
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2,127
Citations
Introduction
Mark Calabon is currently an Assistant Professor in the Division of Biological Sciences, College of Arts and Sciences, University of the Philippines Visayas, Miagao, Iloilo, 5023 Philippines. His research focuses on the taxonomy, phylogeny, and classification of aquatic fungi.
Additional affiliations
August 2018 - December 2018
University of the Philippines Visayas
Position
  • Researcher
August 2016 - December 2017
University of the Philippines Visayas
Position
  • Research Associate
Education
January 2019 - January 2022
Mae Fah Luang University
Field of study
  • Mycology
June 2013 - December 2016

Publications

Publications (57)
Article
The study of lignicolous freshwater fungi in the Philippines led to the collection and isolation of two Pleurotheciaceae species, belonging to Rhexoacrodictys and Phaeoisaria. Phylogenetic analysis based on the internal transcribed spacer (ITS), beta-tubulin (TUB2), and RNA polymerase II (RPB2) loci revealed that UPVMI 24-0005 belongs to the taxon...
Article
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Trichoderma protrudens Samuels & P. Chaverri was originally described from the trunk of Theobroma cacao L. in Kerala, India, in 2008. Morphologically, it is defined by trichoderma‑like conidiophores bearing subulate or lageniform phialides, green subglobose to obovoidal conidia, and the presence of chlamydospores in culture. Multilocus phylogenetic...
Article
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This article is the 17th in the Fungal Diversity Notes series which allows the researchers to publish fungal collections with updated reports of fungus-host and fungus-geography. Herein we report 97 taxa with four new genera distributed in three phyla (Ascomycota, Glomeromycota and Mucoromycota), 11 classes, 38 orders and 62 families collected fr...
Article
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With the simultaneous growth in interest from the mycological community to discover fungal species and classify them, there is also an important need to assemble all taxonomic information onto common platforms. Fungal classification is facing a rapidly evolving landscape and organizing genera into an appropriate taxonomic hierarchy is central to...
Article
Full-text available
With the simultaneous growth in interest from the mycological community to discover fungal species and classify them, there is also an important need to assemble all taxonomic information onto common platforms. Fungal classification is facing a rapidly evolving landscape and organizing genera into an appropriate taxonomic hierarchy is central to be...
Chapter
Full-text available
Coastal ecosystems are often overlooked sinks of anthropogenic marine debris (AMD), persistent human-made materials with sizes ranging from 1 mm to 1 m which are mostly plastics. Although serving as transition zones between terrestrial and marine environments, the degree and extent of plastic pollution in coastal environments. The chapter will disc...
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Two freshwater Sordariomycetes – Parafuscosporella garethii (Fuscosporellaceae, Fuscosporellales) and Canalisporium elegans (Savoryellaceae, Savoryellales) – were newly recorded from submerged decaying woods in Danicop-Ticugan spring, Loon, Bohol, the Philippines. Morphological analyses identified isolates UPVMI 24–0005 and UPVMI 24–0006 as conspec...
Article
In conducting a survey on the diversity of lignicolous freshwater fungi across a north-south latitudinal gradient in the Asian region, two strains were collected from freshwater habitats. This species is characterized by forming pinkish sporulating colonies both on wood and in culture, presenting macronematous conidiophores that swollen at the apex...
Article
An investigation of freshwater fungi in Thailand resulted in the collection and isolation of a coelomycetous Seriascoma from submerged wood. The combined ITS and LSU sequence data placed the taxon within the sexual morphic Seriascoma acutisporum strains, ZHKUCC 22-0273 and ZHKUCC 22-0274, with high bootstrap support and confirmed the asexual morphi...
Article
One of our studies on lignicolous aquatic fungi in the Philippines yielded two new records of freshwater Sordariomycetes in the genera Sporoschisma and Trichoderma. The newly collected specimens, UPVMI 24-0003 and UPVMI 24-0004, exhibit morphological similarities to the holotypes of Trichoderma pinicola (SFC 20130926-S233) and Sporoschisma chiangra...
Article
Paramyrothecium comprises saprobic and plant pathogenic members. Eight plant-pathogenic Paramyrothecium species have been recorded in Asia, America, and some parts of Africa and Europe. Among the commonly reported species are P. roridum and P. foliicola. Several Paramyrothecium species are associated with coffee leaf spots, muskmelon crown rot, and...
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Aims Neocosmospora species are saprobes, endophytes, and pathogens belonging to the family Nectriaceae. This study aims to investigate the taxonomy, biosynthetic potential, and application of three newly isolated Neocosmospora species from mangrove habitats in the southern part of Thailand using phylogeny, bioactivity screening, genome sequencing,...
Article
An investigation of freshwater fungi in the Philippines resulted in the collection and isolation of a new species of Phaeoacremonium (Togniniaceae) from unidentified decayed submerged wood. The novel hyphomycetous species, Phaeoacremonium philippinense, shares the same morphology with other members of the genus, such as having short, usually unbran...
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As the continuation of Fungal Diversity Notes series, the current paper is the 16th contribution to this series. A total of 103 taxa from seven classes in Ascomycota and Basidiomycota are included here. Of these 101 taxa, four new genera, 89 new species, one new combination, one new name and six new records are described in detail along with inform...
Article
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The Global Consortium for the Classification of Fungi and fungus-like taxa is an international initiative of more than 550 mycologists to develop an electronic structure for the classification of these organisms. The members of the Consortium originate from 55 countries/regions worldwide, from a wide range of disciplines, and include senior, mid-ca...
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This article is the third in the Asian Journal of Mycology Notes series, wherein we report 50 new fungal collections distributed in two phyla, five classes, 16 orders and 35 families. The present study provides descriptions and illustrations for five new species (Acrocalymma hyaline, Allocryptovalsa aquilariae, Alternaria arida, Apoharknessia thail...
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This article is the 15th contribution in the Fungal Diversity Notes series, wherein 115 taxa from three phyla, nine classes, 28 orders, 48 families, and 64 genera are treated. Fungal taxa described and illustrated in the present study include a new family, five new genera, 61 new species, five new combinations, one synonym, one new variety and 31 r...
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Fungal diversity notes 1611–1716
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This article revises the documented diversity of known marine fungi from nine phyla, 33 classes, 107 orders, 273 families, 767 genera and 1898 species reported worldwide. A member of the Aphelidiomycota, Pseudaphelidium drebesii, is reported for the first time from the marine environment, on a diatom. Likewise, the phylum Mortierellomycota is liste...
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As part of an ongoing investigation into fungal diversity in plant substrates, a novel species was discovered and isolated from the gardens of Zhongkai University of Agriculture and Engineering. The DNA sequence data from our collection were analyzed against the NCBI database, revealing affinities to species within Pleurotremataceae and Dyfrolomyce...
Article
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Early research on marine fungi was mostly descriptive, with an emphasis on their diversity and taxonomy, especially of those collected at rocky shores on seaweeds and driftwood. Subsequently, further substrata (e.g. salt marsh grasses, marine animals, seagrasses, sea foam, seawater, sediment) and habitats (coral reefs, deep-sea, hydrothermal vents,...
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An observation of lignicolous freshwater fungi in Thailand resulted in the discovery of a novel taxon and recollection of Acrocalymma aquaticum. Morphology coupled with phylogenetic analysis support the placement of the new species in Acrocalymma. Acrocalymma bilobatum sp. nov. resembles A. ampeli, A. bipolare, and A. medicaginis in conidial shape...
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Research into freshwater fungi has generated a wealth of information over the past decades with various published articles, i.e., reviews, books, and monographs. With the advancement of methodologies used in freshwater fungal research, and numerous mycologists working on this ecological group, our knowledge progress and understanding of freshwater...
Article
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Neocamarosporium aquaticum , collected from a drift dead stem of a halophyte at the Kench Nature Reserve, Hayling Island, UK, is described as a new species in the family Neocamarosporiaceae, Dothideomycetes. Multi-locus analyses based on LSU, SSU, ITS rDNA, and EF1-α placed the new fungus as a distinct species in the genus Neocamarosporium , a sist...
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In this study, a novel coniothyrium-like genus, Coniothyrioides is introduced to Coniothyriaceae based on a fresh fungal collection from salt marsh habitats in Thailand. Coniothyrium-like taxa are taxonomically controversial and have been classified into different families in Pleosporales such as Didymosphaeriaceae (Alloconiothyrium and Paraconioth...
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This article is the 14th in the Fungal Diversity Notes series, wherein we report 98 taxa distributed in two phyla, seven classes, 26 orders and 50 families which are described and illustrated. Taxa in this study were collected from Australia, Brazil, Burkina Faso, Chile, China, Cyprus, Egypt, France, French Guiana, India, Indonesia, Italy, Laos, Me...
Article
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A comprehensive account of fungal classification from freshwater habitats is outlined and discussed in the present review based on literature of biodiversity studies and recent morpho-phylogenetic analyses. A total of 3,870 freshwater fungal species are listed with additional details on the isolation source, habitat, geographical distribution, and...
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This is the seventh in a series of Mycosphere notes in which we provide notes on the collection of fungi isolated from various hosts. In this set of notes, we introduce Pseudophialocephala as a new genus, nine new species, 27 new host or country records and five new combinations. The new species are Ceratosphaeria yunnanensis, Cytospora salicis-alb...
Thesis
Our knowledge on aquatic fungi has expanded exponentially for almost century and a half of research. The classification system has been updated by using molecular phylogenetics coupled with morphology, following the one fungus=one name ruling. In addition to barcoding of nuclear ribosomal regions (ITS, LSU, SSU), protein-coding genes were added for...
Article
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Over the years, there have been continuous updates in the taxonomy of coelomycetes. In particular, traditional classification has been revised and updated based on extensive collections supplemented with morphological examinations and phylogenetic analyses. Most of the data available are scattered in the literature. In an attempt to ease the work o...
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This article is the 13th contribution in the Fungal Diversity Notes series, wherein 125 taxa from four phyla, ten classes, 31 orders, 69 families, 92 genera and three genera incertae sedis are treated, demonstrating worldwide and geographic distribution. Fungal taxa described and illustrated in the present study include three new genera, 69 new spe...
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Sibero MT, Pribadi R, Larasati SJH, Calabon MS, Sabdono A, Subagiyo S, Frederick EH. 2021. Diversity of sponge-associated fungi from a mangrove forest in Kemujan Island, Karimunjawa National Park, Indonesia. Biodiversitas 22: 5695-5605. Plenty of studies have reported interesting biological properties and bioactive compounds from sponge-associated...
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Freshwater fungi are highly diverse and ecologically important in freshwater systems. In China, more than 1000 species of freshwater fungi are known. Here, we present a brown-spored hyphomycetes that was collected on a submerged decaying bamboo culm in a forest stream in China. Phylogenetic analyses of combined LSU, ITS and TUB2 sequences confirm t...
Article
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This review brings together the research efforts on salt marsh fungi, including their geographical distribution and host association. A total of 486 taxa associated with different hosts in salt marsh ecosystems are listed in this review. The taxa belong to three phyla wherein Ascomycota dominates the taxa from salt marsh ecosystems accounting for 9...
Article
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This article is the second in the Asian Journal of Mycology Notes series, wherein we report 50 new fungal collections distributed in two phyla, six classes, 23 orders and 38 families. The present study provides descriptions and illustrations for three new species (Acolium yunnanensis, Muyocopron cinnamomi and Thyrostroma ulmeum), 44 new host record...
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Our studies on lignicolous aquatic fungi in Thailand, Sweden, and the UK resulted in the collection of three new Halobyssothecium species (H. bambusicola, H. phragmitis, H. versicolor) assigned to Lentitheciaceae (Pleosporales, Dothideomycetes). Multi-loci phylogenetic analyses of the combined large subunit, small subunit, internal transcribed spac...
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This is a multidimensional review of mangrove fungi occurring as saprobes, pathogens and endophytes of a wide range of host substrates and those isolated from the water columns and sediments in mangroves. Eight-hundred and fifty taxa including 658 that are supported by both morphology and molecular data and 192 with only morphological data are list...
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An investigation of freshwater fungi in Thailand resulted in the collection of one new monotypic genus, Neoxylomyces, and a novel species each in Camposporium, Brunneofusispora, Rattania, Neoxylomyces, and Phaeoacremonium.Camposporium dulciaquae resembles C. septatum in conidial morphology and number of septa but differs in conidial sizes. Brunneof...
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Traditionally, fungal taxonomy was based on observable phenotypic characters. Recent advances have driven taxonomic conclusions towards DNA-based approaches and these techniques have corresponding pros and cons. Species concepts must therefore rely on incorporated approaches of genotypic, phenotypic and physiological characters and chemotaxonomy. E...
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A study of freshwater fungi in Thailand led to the discovery of Mycoenterolobium aquadictyosporium sp. nov. Evidence for the novelty and placement in Mycoenterolobium is based on comparison of morphological data. The new species differs from the type species, M. platysporum, in having shorter and wider conidia, and from M. flabelliforme in having m...
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The number of extant freshwater fungi is rapidly increasing, and the published information of taxonomic data are scattered among different online journal archives. The only online repository, http://fungi.life.illinois.edu/, deals with freshwater ascomycetes and their asexual morphs. Other freshwater fungal groups are not included. The newly develo...
Article
The recent realistic estimate of fungal numbers which used various algorithms was between 2.2 and 3.8 million. There are nearly 100,000 accepted species of Fungi and fungus-like taxa, which is between 2.6 and 4.5% of the estimated species. Several forums such as Botanica Marina series, Fungal Diversity notes, Fungal Biodiversity Profiles, Fungal Sy...
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An investigation of aquatic fungi in Thailand resulted in the collection and isolation of a new species of Wicklowia (Wicklowiaceae) from submerged wood. Wicklowia phuketensis sp. nov. differs from known species in morphology and multigene phylogenetic analyses. Both W. submersa and W. phuketensis lack appendages at both ends, while W. aquatica has...
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A survey of lignicolous terrestrial ascomycetes conducted in Thailand yielded a number of novel species. In this paper, we report on a terrestrial collection of a taxon from dead branches of an unidentified plant. Triseptata gen. et sp. nov. is characterized by immersed, uni- to multi-loculate ascomata, filamentous pseudoparaphyses, bitunicate, fis...
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Vast parts of the Baltic Sea have been mycologically neglected and are still awaiting exploration. Here we summarise earlier records of marine fungi from the Baltic, supplementing them with discoveries from fieldwork in Sweden in 2019. Although marine fungal diversity is clearly attenuated in the brackish water of the Baltic Sea, a substantial numb...
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This is a continuation of the papers “Towards a classification of Sordariomycetes” (2015) and “Families of Sordariomycetes” (2016) in which we compile a treatment of the class Sordariomycetes. The present treatment is needed as our knowledge has rapidly increased, from 32 orders, 105 families and 1331 genera in 2016, to 45 orders, 167 families and...
Article
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Mycology was a well-studied discipline in Australia and New Zealand, Europe, South Africa and the USA. In Asia (with the exception of Japan) and South America, the fungi were generally poorly known and studied, except for the result of forays from some American and European mycologists. However, in the last 20 years, the situation has changed. With...
Article
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This study introduces a novel holomorphic marine fungal species, Halobyssothecium estuariae (Lentitheciaceae, Pleosporales), from dead Phragmites communis. The new species has semi-immersed, subglobose or ellipsoidal, papillate, conical ascomata, clavate to subcylindrical, short pedicellate asci and 3-septate, fusoid to ellipsoidal ascospores with...
Article
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Sponge-associated fungi are the least explored marine fungal groups. It is only in recent years that fungal symbionts of marine sponges have received attention mainly due to the isolation of bioactive metabolites while not much attention was given to their specificity, biogeography and exact roles in marine sponges. The diversity of fungi associate...

Questions

Questions (6)
Question
this mushroom smells like a dead rat. It was collected from San Joaquin, Iloilo, Philippines.
Question
Hello Mycologists! Can you help me identify these fungi isolated in mangrove-associated sponges?
Fig 1: Culture medium: Mycobiotic agar, Scale: 10um
Fig. 2: PDA, 10um
Thank you!
Question
I did serial dilution (10-1 to 10 -5). For every dilution, I plated them in triplicate on PDA. I have data of every fungal isolates on plates. What should I do next to calculate diversity indexes (e.g. Shannon index, eveness etc.)? Thank you!
Question
I have a friend who got accepted into the Euro Public Health Consortium in UK and France and she needs to find external funding for her studies.
Question
Any recommendations for a sponge taxonomist? I really need help and suggestions for the identification of mangrove-associated sponges. Thank you!
Question
(1) Any free software that can be use in measuring important fungal structures for identification.
(2) Software that can calculate diversity indices and can plot curves and other important graphs for biodiversity studies.
Thank you! 

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