354 Chiang, C. L., C. T. Chang and H. Y. Sung. 2003. Purification and properties of chitosanase from a mutant of Bacillus subtilis IMR-NK1. Enzyme Microb. Technol. 32: 260-267. Jeon, Y. J. and S. K. Kim. 1998. Bioactivities of chitosan oligosaccharides and their derivative, pp. 328-333. In R.H. Chen and H.C. Chen (eds.). Advances in Chitin Science, vol. 3, P.R. China. Jeon, Y. J. and S. K. Kim. 2000. Continuous production of chito-oligosaccharides using a dual reactor system. Process Biochem. 35: 623-632. Kim, S. B., B. K. Ham. B. O. Rhee, W. J. Lee and D. H. Jo. 2001. Effects of solvents on the viscosity of chitosan solution, pp.105-106. In T. Uragami, K. Kurita and T. Fukamizo, eds. Chitin and Chitosan in Life Science. Kodansha Scientific, Tokyo. Kobayashi, T., Y. Takiguchi, K. Shimahara and T. Sannan. 1988. Distribution of chitosan in Absidia strains and some properties of the chitosan isolated. Nipon Nogeikagaku Kaishi 62: 1463-1469. Kumar, G., J. F. Bristow, P. J. Smith and G. F. Payne. 2000. Enzymatic gelation of the natural polymer chitosan. Polymer. 41: 2157-2168. Kurakake, M., S. K. Nakagawa, M. Sugihara and T. Komaki. 2000. Properties of chitosanase from Bacillus cereus S1. Current Microbiol. 40: 6-9. Miller, G. L. 1959. Use of dinitrosalicylic acid reagent for determination of reducing sugar. Anal Chem. 31: 426-428. No, H. K., N. Y. Park, S. H, Lee and S. P. Meyers. 2001. Antibacterial activities of chitosan and chitosan oligomers with different molecular weights on spoilage isolated from tofu, pp. 270-271. In T. Uragami, K. Kurita and T. Fukamizo, eds. Chitin and Chitosan in Life Science, Kodansha Scientific, Tokyo. Okajima, S. A. Ando, H. Shinoyama and T. Fujii. 1994. Purification and characterization of an <strong>Kasetsart</strong> J. (Nat. Sci.) 41(2) extracellular chitosanase produced by Amycolatopsis sp. CsO-2. J. Ferment. Bioeng. 77: 617-620. Papineau, A. M., D. G. Hoover, D. Knorr and D. F. Farkas. 1991. Antimicrobial effect of water soluble chitosan with high hydrostatic pressure. Food Biotecnol. 5: 45-57. Pelletier, A. and J. Sygusch. 1990. Purification and characterization of three chitosanase activities from Bacillus megaterium P1. Appl. Environ. Microbiol. 56: 844-848. Price, J. S. and R. Storck. 1975. Production, purification and characterization of an extracellular chitosanase from Streptomyces. J. Bacteriol. 124: 1574-1585. Shimosaka, M., M. Nagawa, X.Y. Wang, M. Kumehara and M. Okazaki. 1995. Production of two chitosanase from a chitosanassimilating bacterium, Acinetobacter sp. strain CHB101. Appl. Environ. Microbiol. 61: 138-442. Shimosaka, M., Y. Fukumori, X. Y. Zhang, N. J. He, R. Kodaira and M. Okazaki. 2000. Molecular cloning and characterization of a chitosanase from the chitosanolytic bacterium Burkholderia gladioli strain CHB101. Appl. Microbiol. Biotechnol. 54: 354-360. Somashekar, D. and R. Joseph. 1996. Chitosanases-properties and application: a review. Biores. Technol. 55: 35-45 Suzuki, K., Y. Okawa, K. Hashimoto, S. Suzuki and M. Suzuki.1984. Protecting effect of chitin and chitosan on experimentally induced marine candidiasis. Microb. Immunol. 28: 903-912. Tominaga, Y. and Y. Tsujisaka. 1975. Purification and some enzymatic properties of the chitosanase from Bacillus R-4 which lyses Rhizopus cell walls. Biochim. Biophys. Acta 410: 145-155. Uchida, Y. and A. Ohtakara. 1988. Chitosanase from Bacillus species. Method Enzymol. 161: 501-505.
Uchida, K. Tateishi, O. Shida and K. Kodowaki. 1992. Purification and properties of chitosanases from Bacillus licheniformis UTK and their application, pp.282-291. In C. J. Brine, P. A. Stanford and J. P. Zikakis, eds. Advances in Chitin and Chitosan. Elsevier, London. Wangtueai, S., W. Worawattanamateekul, M. Sangjindavong, N. Naranong and S. Sirisansaneeyakul. 2006. Isolation and screening of chitosanase producing microorganisms. <strong>Kasetsart</strong> J. (Nat. Sci.) 40: 944-948. <strong>Kasetsart</strong> J. (Nat. Sci.) 41(2) 355 Yabuki, M., A. Uchiyama, A. Suzuki, A. Ando and T. Fujii.1988. Purification and properties of chitosanase from Bacillus circulans MH-K1. J. Gen. Appl. Microbiol. 34: 255-270. Yoshihara, K., J. Hosokawa, T. Kubo, M. Nishiyama, Y. Koba and M. Nishiyama. 1990. Isolation and identification of a chitosan degrading bacterium belonging to the genus Pseudomonas and the chitosanase production by isolate. Agric. Biol. Chem. 54: 3341-3343.
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April - June 2007 Volume 41 Number
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KASETSART JOURNAL NATURAL SCIENCE T
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Kasetsart J. (Nat. Sci.) 41 : 205 -
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harvesting time which started from
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y Chen and Paull (2000). Figure 1 a
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pineapple fruit allowed the accumul
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Kasetsart J. (Nat. Sci.) 41(2) 215
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Cluster analysis Cluster analysis u
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Kasetsart J. (Nat. Sci.) 41(2) 219
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Table 3 (Continued) 1 2 3 4 5 6 7 8
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Kasetsart J. (Nat. Sci.) 41(2) 223
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CONCLUSION AFLP markers classified
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Kasetsart J. (Nat. Sci.) 41 : 227 -
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difference of soil texture used in
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under wet soil condition planting.
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tropics. Following the expansion, w
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sealed in a plastic box with 1 cm w
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moisture content increment after so
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Frequency Frequency 30 20 10 0 20.0
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School, Kasetsart University. The a
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for combining ability of lines (Lam
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selective mass sibbing within indiv
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Although most of S 2-interfamily hy
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composite sets as used in this stud
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Kasetsart J. (Nat. Sci.) 41 : 251 -
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days. The numbers of calli producin
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the report of Ching (1982) showing
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clearly amplified bands generated b
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caused by either the recombination
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Kuhlmann, V. and B. Foroughi-Wehr.
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Xanthomonas fuscans subsp. aurantif
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Kasetsart J. (Nat. Sci.) 41(2) 265
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was collected and washed with 70% e
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expected size was amplified with 35
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eaction technique has been used for
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Schaad, N.W., D. Opgenorth and P. G
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MATERIALS AND METHODS Model descrip
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Kasetsart J. (Nat. Sci.) 41(2) 277
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calculated TF value calculated TF v
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sincere gratitude and deep apprecia
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1989). In monogastrics, the inclusi
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of all LLS samples in this study we
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Melbourne, Parkville, Victoria. Goe
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considered responsible for low prod
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Kasetsart J. (Nat. Sci.) 41(2) 291
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mineral supplementation suggested b
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Body weight chane (kg/head) 32 30 2
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CONCLUSION AND RECOMMENDATION With
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SAS. (Statistical Analysis System).
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genes covering a variety of desirab
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and discovery, resource selection a