Abstract:
:Bast fibres are long extraxylary cells which mechanically support the phloem and they are divided into xylan- and gelatinous-type, depending on the composition of their secondary cell walls. The former, typical of jute/kenaf bast fibres, are characterized by the presence of xylan and a high degree of lignification, while the latter, found in tension wood, as well as flax, ramie and hemp bast fibres, have a high abundance of crystalline cellulose. During their differentiation, bast fibres undergo specific developmental stages: the cells initially elongate rapidly by intrusive growth, subsequently they cease elongation and start to thicken. The goal of the present study is to provide a transcriptomic close-up of the key events accompanying bast fibre development in textile hemp (Cannabis sativa L.), a fibre crop of great importance. Bast fibres have been sampled from different stem regions. The developmental stages corresponding to active elongation and cell wall thickening have been studied using RNA-Seq. The results show that the fibres sampled at each stem region are characterized by a specific transcriptomic signature and that the major changes in cell wall-related processes take place at the internode containing the snap point. The data generated also identify several interesting candidates for future functional analysis.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Guerriero G,Behr M,Legay S,Mangeot-Peter L,Zorzan S,Ghoniem M,Hausman JFdoi
10.1038/s41598-017-05200-8subject
Has Abstractpub_date
2017-07-10 00:00:00pages
4961issue
1issn
2045-2322pii
10.1038/s41598-017-05200-8journal_volume
7pub_type
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