Asset Details
Do you wish to reserve the book?
The Expression of IbMYB1 Is Essential to Maintain the Purple Color of Leaf and Storage Root in Sweet Potato Ipomoea batatas (L.) Lam
Hey, we have placed the reservation for you!
By the way, why not check out events that you can attend while you pick your title.
Oops! Something went wrong.
Looks like we were not able to place the reservation. Kindly try again later.
Are you sure you want to remove the book from the shelf?
The Expression of IbMYB1 Is Essential to Maintain the Purple Color of Leaf and Storage Root in Sweet Potato Ipomoea batatas (L.) Lam
Do you wish to request the book?
The Expression of IbMYB1 Is Essential to Maintain the Purple Color of Leaf and Storage Root in Sweet Potato Ipomoea batatas (L.) Lam
Please be aware that the book you have requested cannot be checked out. If you would like to checkout this book, you can reserve another copy
We have requested the book for you!
Your request is successful and it will be processed during the Library working hours. Please check the status of your request in My Requests.
Oops! Something went wrong.
Looks like we were not able to place your request. Kindly try again later.
Journal Article
The Expression of IbMYB1 Is Essential to Maintain the Purple Color of Leaf and Storage Root in Sweet Potato Ipomoea batatas (L.) Lam
2021
Overview
IbMYB1
was one of the major anthocyanin biosynthesis regulatory genes that has been identified and utilized in purple-fleshed sweet potato breeding. At least three members of this gene, namely,
IbMYB1-1
,
-2a
, and
-2b
, have been reported. We found that
IbMYB1-2a
and
-2b
are not necessary for anthocyanin accumulation in a variety of cultivated species (hexaploid) with purple shoots or purplish rings/spots of flesh. Transcriptomic and quantitative reverse transcription PCR (RT-qPCR) analyses revealed that persistent and vigorous expression of
IbMYB1
is essential to maintain the purple color of leaves and storage roots in this type of cultivated species, which did not contain
IbMYB1-2
gene members. Compared with
IbbHLH2
,
IbMYB1
is an early response gene of anthocyanin biosynthesis in sweet potato. It cannot exclude the possibility that other
MYBs
participate in this gene regulation networks. Twenty-two
MYB-like
genes were identified from 156
MYBs
to be highly positively or negatively correlated with the anthocyanin content in leaves or flesh. Even so, the
IbMYB1
was most coordinately expressed with anthocyanin biosynthesis genes. Differences in flanking and coding sequences confirm that
IbMYB2s
, the highest similarity genes of
IbMYB1
, are not the members of
IbMYB1
. This phenomenon indicates that there may be more members of
IbMYB1
in sweet potato, and the genetic complementation of these members is involved in the regulation of anthocyanin biosynthesis. The 3′ flanking sequence of
IbMYB1-1
is homologous to the retrotransposon sequence of
TNT1-94
. Transposon movement is involved in the formation of multiple members of
IbMYB1
. This study provides critical insights into the expression patterns of
IbMYB1
, which are involved in the regulation of anthocyanin biosynthesis in the leaf and storage root. Notably, our study also emphasized the presence of a multiple member of
IbMYB1
for genetic improvement.
