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A new species of the genus Leptolalax is described from Doi Saket, Chiang Mai Province, northern Thailand. The new species is distinguished from its congeners by the following combination of characters: 1) adult size large(male SVL 45.8-52.5 mm); 2) tympanum distinct; 3) skin of dorsal surface mostly smooth, with distinct tubercles on dorsal and lateral parts of the body; 4) ventrolateral glandular ridge distinct and complete; 5) lateral body and groin covered with dark brown or black spots; 6) throat, chest, and belly nearly immaculate white; and 7) bi-colored iris, upper onethird golden, and lower two-thirds gray. Molecular phylogenetic analysis of mitochondrial 16S rRNA further distinguishes it from its congeners for which sequences are available. 相似文献
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Kittisak Buddhachat Puntita Siengdee Siriwadee Chomdej Kumpanart Soontornvipart Korakot Nganvongpanit 《In vitro cellular & developmental biology. Animal》2017,53(5):448-457
Our purpose was to evaluate the protective effect of three marine omega-3 sources, fish oil (FO), krill oil (KO), and green-lipped mussel (GLM) against cartilage degradation. Canine cartilage explants were stimulated with either 10 ng/mL interleukin-1β (IL-1β) or IL-1β/oncostatin M (10 ng/mL each) and then treated with various concentrations of docosahexaenoic acid (DHA), eicosapentaenoic acid (EPA; 3 and 30 μg/mL), FO, KO, or GLM (250, 500, and 1000 μg/mL) for 28 days. Gene expression was then investigated in primary canine chondrocytes. Our results showed that DHA and EPA as well as omega-3 sources could suppress matrix degradation in cytokine-induced cartilage explants by significantly reducing the increase of sulfated glycosaminoglycans (s-GAGs) and preserving uronic acid and hydroxyproline content (except GLM). These agents were not able to reduce IL-1β-induced IL1B and TNFA expression but were able to down-regulate the expression of the catabolic genes MMP1, MMP3, and MMP13 and up-regulate the anabolic genes AGG and COL2A1; FO and KO were especially effective. Our findings indicated that FO and KO were superior to GLM for their protective effect against proteoglycan and collagen degradation. Hence, FO and KO could serve as promising sources of chondroprotective agents. 相似文献
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Pimubon Waikham Patcharawadee Thongkumkoon Siriwadee Chomdej Aizhong Liu Prasit Wangpakapattanawong 《Molecular biology reports》2018,45(1):27-30
Catanopsis tribuloides is a climax tree species commonly distributed in evergreen forests and has been used to restore degraded areas in northern Thailand. To aid in study of genetic diversity of the species, microsatellite markers, which are specific to C. tribuloides, were developed using whole genome sequencing by next-generation sequencing technology. The primers for microsatellite were developed and screened for optimal annealing temperature by PCR assay. The loci primers specific with C. tribuloides, 13 polymorphic microsatellite primers were successfully developed. The results from genetic information analyzing showed the number of alleles presented were between 2 and 24. Accordingly, the expected and observed heterozygosity obtained were between 0.298 and 0.920 and 0.364 to 1.000, respectively. Null allele frequency was presented 0.000–0.199. Genetic information was generated 10 loci primers significantly deviated from Hardy–Weinberg Equilibrium. All 13 primer pairs of loci were not significant with linkage disequilibrium. A set of microsatellite markers in this study could be applied to gene flow, genetic structure and population genetic studies in the future. 相似文献
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