Low Crystallinity of Poly(3-Hydroxybutyrate-Co-3-Hydroxyvalerate) Bioproduction by Hot Spring Cyanobacterium Cyanosarcina Sp
plants Article Low Crystallinity of Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate) Bioproduction by Hot Spring Cyanobacterium Cyanosarcina sp. AARL T020 Kittipat Chotchindakun 1 , Wasu Pathom-Aree 1, Kanchana Dumri 2, Jetsada Ruangsuriya 3,4, Chayakorn Pumas 1 and Jeeraporn Pekkoh 1,5,* 1 Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; kittipat_ch@cmu.ac.th (K.C.); wasu.p@cmu.ac.th (W.P.-A.); chayakorn.pumas@cmu.ac.th (C.P.) 2 Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; kanchana.d@cmu.ac.th 3 Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; jetsada.ruang@cmu.ac.th 4 Functional Food Research Unit, Science and Technology Research Institute, Chiang Mai University, Chiang Mai 50200, Thailand 5 Environmental Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand * Correspondence: jeeraporn.p@cmu.ac.th; Tel.: +66-5394-1949 Abstract: The poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) derived from cyanobacte- ria is an environmentally friendly biodegradable polymer. The low yield of PHBV’s production Citation: Chotchindakun, K.; is the main hindrance to its sustainable production, and the manipulation of PHBV production Pathom-Aree, W.; Dumri, K.; processes could potentially overcome this obstacle. The present research investigated evolution- Ruangsuriya, J.; Pumas, C.; Pekkoh, J. arily divergent cyanobacteria obtained from local environments of Thailand. Among the strains Low Crystallinity of tested, Cyanosarcina sp. AARL T020, a hot spring cyanobacterium, showed a high rate of PHBV Poly(3-Hydroxybutyrate-co-3- accumulation with a fascinating 3-hydroxyvalerate mole fraction.
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