ScienceAsia 25 (1999) : 189-194 |doi: 10.2306/scienceasia1513-1874.1999.25.189

Sinigrin Degradation by Aspergillus sp. NR-4201 in Liquid Culture

Prakong Sakorn^a, Nuansri Rakariyatham^b,*, Hataichanoke Niamsup^b and Precha Kovitaya^c

ABSTRACT: Karyotypes of Calotes emma (Gray), 1845, C. mystaceus (Dumeril & Bibron), 1837, C. versicolor (Daudin), 1802, and Draco belliana (Gray), 1827 from the Phu Phan National Park (Thailand ) were investigated. Three species of genus Calotes have the same karyotype consisting of 2n = 34, 6 pairs of macrochromosomes and 11 pairs of microchromosomes. Their macrochromosomes of pair number 1, 3, 4, 5, and 6 are metacentric, and 2 is submetacentric. Karyotype of D. belliana are different from others. There are 6 pairs of macrochromosomes, 11 pairs of intermediate size chromosomes and 2 pairs of microchromosomes. Its chromosomes of pair number 1, 3, 4, and 6 are metacentric, the pair number 2 and 5 are submetacentric. Its intermediate size chromosomes of pair number 7 - 15 seem to be metacentric and the last 2 pairs are microchromosomes.

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a Department of Clinical Chemistry, Faculty of Medical Technology, Hua Chiew Chalermprakiat University, Samutprakarn, 10540, Thailand.
b Department of Chemistry, Faculty of Sciences, Chiang Mai University, Chiang Mai, 50200, Thailand.
c Lanna Products Co Ltd, Northern Industrial Estate Authority of Thailand, Lamphun, 50100, Thailand.

* Corresponding author.

Received 25 Jan 1999