Ecology and conservation is a growing research areas. As biodiversity of species dwindles and our surrounding environment deteriorates. It is important that actions must be taken to preserve those that we now have and restore what we have lost. Our group also tries to reduce conflicts between people and conservation efforts. Students are trained to have multiple skill with first-hand experience in the field.

Soil and water polluted with heavy metals is a major environmental problem facing the modern life. Wastewater from domestic and industries containing lead and cadmium is threatening to human health. Conventional wastewater and soil treatment is not appropriate for low concentration of lead and cadmium. Phytoextraction, also called phytoaccumulation, refers to the uptake and translocation of metal contaminants in the soil by plant roots into the aboveground portion of the plants. This technique can be used to remove lead and cadmium from the soil. In addition, rhizofiltration, the use of plant roots to remove heavy metals is an emerging technology for environmental clean up and can be used as an alternative method. Roots of aquatic plants can be used to remove lead and cadmium from the contaminated aqueous solution.

Biodesulfurization of crude oil and middle distillate by bacteria; hytoremediation of abandoned lead mine by indigenous lead hyperaccumulator; Accumulation and distribution of endosulfan and other pesticides in the Tha Chin - Mae Klong river Basin; Kinetics of pesticide biodegradation; Removal of hydrogen sulfide by bioscrubber system; Toxicity of metals and pesticides to aquatic organisms.

Integrated approach for diagnosis and Vaccines cerelopment against liver fluke imfeetions in human and comestic animal in Thailand.

Our group have been interested in reproductive biology and development of economic aquatic animals especially the giant freshwater prawn, Macrobrachium rosenbergii. We are currently focused on study of germ cell development of M. rosenbergii in an attempt to manipulate germ cell development to control reproductive efficiency of the prawns. A specific molecular marker for prawn germ cells is being developed. The effects of toxicants, particularly pesticides which are widely used in agriculture both in rice fields, orchards and prawn farming, on growth and development of the freshwater prawns are also our concerns.

Entomology; Population genetics of medical and agricultural insects; Forced-contact mating: A technique for crossing experiments with the fruit fly parasitoid, Diachasmimorpha longicaudata (Ashmead) (Hymenoptera:Braconidae); Genetic divergence in mitochondrial genes of Diachasmimorpha longicaudata (Hymenoptera: Braconidae) populations in Thailand.

Certain soil arthropods provide us with the means to measure diversity as well as pollution level. Our research group samplings soil across the country to assess the species richness of arthropods in them. Some species were found to be resilient whereas a number of species were sensitive to the changes in environment.

Macromolecular interactions play a major role in cellular regulation and biological function. Molecular recognition is one of the most important regulatory elements, as it is often the initiating step in reaction pathways and cascades. Malfunction of the specific proteins in the cascades may cause the serious disease problem. In addition, molecular recognition also plays fundamental roles in the regulation of gene expression, cellular metabolism, and drug design.

Avian biology and diversity, especially in relation to forest ecology and conservation. Collaboration with other research units around the world to study bird diversity and distribution in Thailand. Including the rediscovering of species that has been thought to be extinct: Lost and found: the enigmatic large-billed reed warbler Acrocephalus orinus rediscovered after 139 years.

Evolutionary genetics; Population biology; Molecular phylogenetics / Molecular evolution; Computational and mathematical biology.

Metabolism of some nanoparticles uptake and across tonoplast membrane in floral crops. Secondary metabolism pathway of betacycin production in Punica granatum L. Effect of light regime on adventitious shoots formation in Musa sapientum L. var. Sudfakfa. Cloning of elite-giant teak (Tectona grandis L.) of Jaesorn through tissue culture. In vitro conservation of vulnerable Rhododendron spp.,endangered Paphiopedilum spp.and ephiphytic wild orchids. In vitro somatic embryogenesis of high economic value trees,including Dalbergia cochinchinensis Pierre., Dalbergia oliveri Gamble ex Prain., Hopea odorata Roxb.,Hevea brasiliensis (A. Juss.) Muell. Arg. and Pinus merkusii Jungh. & de Vriese. Investigation of safrole content from suspension culture of Cinnamomum porrectum (Roxb.) Kosterm. Detection of Rauwolfia alkaloids from Rauwolfia serpentina Benth. produce in bioreactor by using anthocyanin marker. Crassna oil formation in mass suspension culture of Aquilaria crassna Pierre ex Lec.