Sugumaran, Manickam (2002) Comparative biochemistry of eumelanogenesis and the protective roles of phenoloxidase and melanin in insects. Pigment Cell Res 15:2-9
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Sugumaran, M (2001) Control mechanisms of the prophenoloxidase cascade. Adv Exp Med Biol 484:289-98
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Chase, M R; Sugumaran, M (2001) Genomic and cDNA sequence of prophenoloxidases from Drosophila melanogaster. Adv Exp Med Biol 484:349-62
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Chase, M R; Raina, K; Bruno, J et al. (2000) Purification, characterization and molecular cloning of prophenoloxidases from Sarcophaga bullata. Insect Biochem Mol Biol 30:953-67
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Sugumaran, M; Nellaiappan, K; Valivittan, K (2000) A new mechanism for the control of phenoloxidase activity: inhibition and complex formation with quinone isomerase. Arch Biochem Biophys 379:252-60
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Sugumaran, M; Nellaiappan, K; Amaratunga, C et al. (2000) Insect melanogenesis. III. Metabolon formation in the melanogenic pathway-regulation of phenoloxidase activityy by endogenous dopachrome isomerase (decarboxylating) from Manduca sexta. Arch Biochem Biophys 378:393-403
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Sugumaran, M (2000) Oxidation chemistry of 1,2-dehydro-N-acetyldopamines: direct evidence for the formation of 1,2-dehydro-N-acetyldopamine quinone. Arch Biochem Biophys 378:404-10
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Sugumaran, M; Nellaiappan, K (2000) Characterization of a new phenoloxidase inhibitor from the cuticle of Manduca sexta. Biochem Biophys Res Commun 268:379-83
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Sugumaran, M; Duggaraju, R; Generozova, F et al. (1999) Insect melanogenesis. II. Inability of Manduca phenoloxidase to act on 5,6-dihydroxyindole-2-carboxylic acid. Pigment Cell Res 12:118-25
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Sugumaran, M; Duggaraju, P; Jayachandran, E et al. (1999) Formation of a new quinone methide intermediate during the oxidative transformation of 3,4-dihydroxyphenylacetic acids: implication for eumelanin biosynthesis. Arch Biochem Biophys 371:98-106
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