PCR test of the resistant plants indicated that 40% of the Hyg-resistant plants showed strong positive reaction, suggesting that chitinase gene had been integrated into the genome of rapeseed.

对部分经潮霉素筛选得到的再生植株进行了多次重复P CR检测，发现其中40 %以上的潮霉素抗性植株均表现出较强的阳性反应，初步证明几丁质酶基因已整合到油菜细胞核基因组中。

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The most widely held ETFs by number of funds would add in HYG, JNK and IWM.

FORBES: Your Mutual Fund Doesn't Show Enough ETF

This year through the end of October, the SPDR Barclays Capital High Yield Bond ETF (JNK) and the iShares iBoxx High Yield Corporate Bond (HYG) are up 12.6% and 10.1%, respectively.

FORBES: Ford And Icahn Look Like Better Bond Bets Than Uncle Sam

Since March 2009, those factors have both been big tailwinds for below-investment grade paper, helping drive both the JNK and HYG 50% higher in price over the past year and a half.

FORBES: Ford And Icahn Look Like Better Bond Bets Than Uncle Sam