Abstract
Scutellaria discolor Colebr. is a traditionally used annual herb that occurs in the Himalayan regions of India. The present study aimed to analyze the cytotoxic effects of S. discolor aqueous extract on Allium cepa root tip cells. The equal-sized roots, 48 h aged, were treated with the aqueous extract of S. discolor (AESD) (0.5–4 mg mL−1) and colchicine (0.4 mg mL−1) for 4 h continuously and then recovered for 16 h (4+16 h R) in distilled water. The AESD induced colchicine-like mitotic abnormalities; sticky chromosome, vagrant and laggard chromosomes, chromosomal fragments, anaphase bridges, stellate anaphase, micronucleus, and polyploidy, indicating it may have like colchicine prospective therapeutic and cytotoxic applications.
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