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Regulatory Actions

Data from Texas A&M University, Department of Agriculture advance knowledge in regulatory actions

Published in Medical Letter on the CDC and FDA, July 22nd, 2007

A new study, "Reference karyotype and cytomolecular map for loblolly pine (Pinus taeda L.)," is now available. "A reference karyotype is presented for loblolly pine (Pinus taeda L., subgenus Pinus, section Pinus, subsection Australes), based on fluorescent in situ hybridization (FISH), using 18S-28S rDNA, 5S rDNA, and an Arabidopsis-type telomere repeat sequence (A-type TRS). Well separated somatic chromosomes were prepared from colchicine-treated root meristems, using an enzymatic digestion technique," scientists writing in the journal Genome report.

"Statistical analyses performed on chromosome-arm lengths, centromeric indices, and interstitial rDNA and...

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