Fig. 3 Microsatellite (primer MJM 561)-based PCR amplification of an expected 311 bp product, from genomic DNA isolated from mature leaves of Corchorus species using DNA Miniprep I. M: 100-bp DNA ladder. 1: Corchorus aestuans. 2: C. capsularis mutant CMU-010. 3: C. capsularis cv. JRC-212. 4: C. fascicularis. 5: C. olitorius cv. JRO-524. 6: C. olitorius mutant PPO4. 7: C. pseudo-capsularis. 8: C. pseudo-olitorius.