Development of Transgenic <i>Brassica</i> Crops against Biotic Stresses Caused by Pathogens and Arthropod Pests
2020
Jorge Poveda | Marta Francisco | M. Elena Cartea | Pablo Velasco
The <i>Brassica</i> genus includes one of the 10 most agronomically and economically important plant groups in the world. Within this group, we can find examples such as broccoli, cabbage, cauliflower, kale, Brussels sprouts, turnip or rapeseed. Their cultivation and postharvest are continually threatened by significant stresses of biotic origin, such as pathogens and pests. In recent years, numerous research groups around the world have developed transgenic lines within the <i>Brassica</i> genus that are capable of defending themselves effectively against these enemies. The present work compiles all the existing studies to date on this matter, focusing in a special way on those of greater relevance in recent years, the choice of the gene of interest and the mechanisms involved in improving plant defenses. Some of the main transgenic lines developed include coding genes for chitinases, glucanases or cry proteins, which show effective results against pathogens such as <i>Alternaria brassicae</i>, <i>Leptosphaeria maculans</i> or <i>Sclerotinia sclerotiorum</i>, or pests such as <i>Lipaphis erysimi</i> or <i>Plutella xylostella</i>.
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