Comparative genomics of two jute species and insight into fibre biogenesis

Md Shahidul Islam, Jennifer A. Saito, Emdadul Mannan Emdad, Borhan Ahmed, Mohammad Moinul Islam, Abdul Halim, Quazi Md Mosaddeque Hossen, Md Zakir Hossain, Rasel Ahmed, Md Sabbir Hossain, Shah Md Tamim Kabir, Md Sarwar Alam Khan, Md Mursalin Khan, Rajnee Hasan, Nasima Aktar, Ummay Honi, Rahin Islam, Md Mamunur Rashid, Xuehua Wan, Shaobin HouTaslima Haque, Muhammad Shafiul Azam, Mahdi Muhammad Moosa, Sabrina M. Elias, A. M.Mahedi Hasan, Niaz Mahmood, Md Shafiuddin, Saima Shahid, Nusrat Sharmeen Shommu, Sharmin Jahan, Saroj Roy, Amlan Chowdhury, Ashikul Islam Akhand, Golam Morshad Nisho, Khaled Salah Uddin, Taposhi Rabeya, S. M.Ekramul Hoque, Afsana Rahman Snigdha, Sarowar Mortoza, Syed Abdul Matin, Md Kamrul Islam, M. Z.H. Lashkar, Mahboob Zaman, Anton Yuryev, Md Kamal Uddin, Md Sharifur Rahman, Md Samiul Haque, Md Monjurul Alam, Haseena Khan, Maqsudul Alam

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92 Scopus citations

Abstract

Jute (Corchorus sp.) is one of the most important sources of natural fibre, covering ∼80% of global bast fibre production1. Only Corchorus olitorius and Corchorus capsularis are commercially cultivated, though there are more than 100 Corchorus species2 in the Malvaceae family. Here we describe high-quality draft genomes of these two species and their comparisons at the functional genomics level to support tailor-designed breeding. The assemblies cover 91.6% and 82.2% of the estimated genome sizes for C. olitorius and C. capsularis, respectively. In total, 37,031 C. olitorius and 30,096 C. capsularis genes are identified, and most of the genes are validated by cDNA and RNA-seq data. Analyses of clustered gene families and gene collinearity show that jute underwent shared whole-genome duplication ∼18.66 million years (Myr) ago prior to speciation. RNA expression analysis from isolated fibre cells reveals the key regulatory and structural genes involved in fibre formation. This work expands our understanding of the molecular basis of fibre formation laying the foundation for the genetic improvement of jute.

Original languageEnglish
Article number16223
JournalNature Plants
Volume3
DOIs
StatePublished - Jan 30 2017

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