Abstract:
:Modulation of traits beneficial for cultivation and yield is one of the main goals of crop improvement. One of the targets for enhancing productivity is changing the architecture of inflorescences since in many species it determines fruit and seed yield. Inflorescence shape and organization is genetically established during the early stages of reproductive development and depends on the number, arrangement, activities, and duration of meristems during the reproductive phase of the plant life cycle. Despite the variety of inflorescence architectures observable in nature, many key aspects of inflorescence development are conserved among different species. For instance, the genetic network in charge of specifying the identity of the different reproductive meristems, which can be indeterminate or determinate, seems to be similar among distantly related species. The availability of a large number of published transcriptomic datasets for plants with different inflorescence architectures, allowed us to identify transcription factor gene families that are differentially expressed in determinate and indeterminate reproductive meristems. The data that we review here for Arabidopsis, rice, barley, wheat, and maize, particularly deepens our knowledge of their involvement in meristem identity specification.
journal_name
Biochem Soc Transjournal_title
Biochemical Society transactionsauthors
Caselli F,Zanarello F,Kater MM,Battaglia R,Gregis Vdoi
10.1042/BST20190441subject
Has Abstractpub_date
2020-06-30 00:00:00pages
853-865issue
3eissn
0300-5127issn
1470-8752pii
225410journal_volume
48pub_type
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