Morphological and Molecular Identification of Fungus-growing Termites (Isoptera, Termitidae, Macrotermitinae) in
Suksawat Ponpinij1, Sasitorn Hasin2, Tharnrat Kaewgrajang3
1Department of Entomology, Faculty of Agriculture, Kasetsart University, Bangkok, Thailand. E-mail: fagrswp@ku.ac.th (Ponpinij).
Abstract:
Fungus-growing termites (FGTs) play ecologically important roles as both decomposers and producers of termite mushrooms. However, they are difficult to research due to a lack of an updated identification key and the inability to locate type specimens. Molecular identification may be helpful, but this requires database information that is lacking for many species found in Thailand. In addition, some researchers use the cytochrome oxidase subunit I (COI) gene as a barcoding gene, but others use cytochrome oxidase subunit II (COII). Thus, we offer detailed descriptions of nine FGT species commonly found in Thailand, together with the DNA sequences of both the COI and COII genes. The descriptions include those of both major and minor soldiers. The DNA sequences of the two genes confirm the morphological identifications. Our data will aid future FGT identification and facilitate research on the biodiversity, conservation, and sustainable use of FGTs and termite mushrooms.
Insights
This study provides detailed descriptions and DNA sequences for nine fungus-growing termite species in Thailand. This research aids in identifying these ecologically vital insects and understanding termite mushroom biodiversity.
Area of Science:
- Entomology
- Molecular Biology
- Ecology
Background:
- Fungus-growing termites (FGTs) are crucial decomposers and producers of termite mushrooms, but research is hindered by a lack of identification keys and type specimens.
- Existing molecular identification methods are hampered by insufficient database information for many Thai FGT species.
- Inconsistent use of genetic markers (cytochrome oxidase subunit I or II) complicates molecular identification.
Purpose of the Study:
- To provide detailed morphological descriptions of nine common FGT species in Thailand, including soldier castes.
- To generate DNA sequences for both cytochrome oxidase subunit I (COI) and cytochrome oxidase subunit II (COII) genes for these species.
- To facilitate accurate identification and support research on FGT biodiversity and conservation.
Main Methods:
- Morphological examination of major and minor soldiers from nine FGT species.
- DNA extraction and sequencing of the COI and COII genes for each species.
- Comparative analysis of morphological data and molecular sequences.
Main Results:
- Detailed descriptions of nine FGT species, encompassing both soldier types, are presented.
- DNA sequences for the COI and COII genes are provided for each identified species.
- Molecular data confirmed the morphological identifications of the FGT species.
Conclusions:
- The generated data and sequences enhance the identification of FGTs in Thailand.
- This research supports future studies on FGT biodiversity, conservation, and the sustainable use of termite mushrooms.
- Standardizing molecular markers (COI and COII) aids in taxonomic clarity for fungus-growing termites.
Related Concept Videos
01:26Fungal Phylum Basidiomycota
01:28Methods of Classification and Identification
01:29Fungal Group Zygomycota
01:29Overview of Fungi