2021
DOI: 10.1111/tpj.15242
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The BOP‐type co‐transcriptional regulator NODULE ROOT1 promotes stem secondary growth of the tropical Cannabaceae tree Parasponia andersonii

Abstract: Tree stems undergo a massive secondary growth in which secondary xylem and phloem tissues arise from the vascular cambium. Vascular cambium activity is driven by endogenous developmental signalling cues and environmental stimuli. Current knowledge regarding the genetic regulation of cambium activity and secondary growth is still far from complete. The tropical Cannabaceae tree Parasponia andersonii is a nonlegume research model of nitrogen-fixing root nodulation. Parasponia andersonii can be transformed effici… Show more

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Cited by 3 publications
(7 citation statements)
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References 139 publications
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“…Studies in the tropical Cannabaceae tree Parasponia andersonii species complement these findings ( Shen et al., 2021 ). CRISPR-Cas9 loss-of-function mutants in the AtBOP1 ortholog PanNODULE ROOT1 (PanNOOT1 ) were altered in the development of xylem and phloem tissues without any obvious difference in cambium organization and size.…”
Section: Discussionmentioning
confidence: 76%
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“…Studies in the tropical Cannabaceae tree Parasponia andersonii species complement these findings ( Shen et al., 2021 ). CRISPR-Cas9 loss-of-function mutants in the AtBOP1 ortholog PanNODULE ROOT1 (PanNOOT1 ) were altered in the development of xylem and phloem tissues without any obvious difference in cambium organization and size.…”
Section: Discussionmentioning
confidence: 76%
“…Poplar plants contain homeobox genes that are highly similar to ARABIDOPSIS HOMEOBOX GENE 1 ( ATH1 ) (Potri.018G054700/Potri.006G230700) and KNOTTED-LIKE FROM ARABIDOPSIS THALIANA 6 ( KNAT6 ) (Potri.010G043500/Potri.008G188700) suggesting that downstream pathway components are conserved. The homologous genes in P. andersonii were significantly downregulated in Pannoot1 stems showing a similar regulation as in Arabidopsis plants ( Shen et al., 2021 ). The PagKNAT2/6b gene from a hybrid poplar clone ( P. alb a X P. glandulosa ) is highly expressed in xylem and phloem.…”
Section: Discussionmentioning
confidence: 80%
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