Yams: Origins and Development

Barton, Huw

doi:10.1007/978-1-4419-0465-2_2193

Cited by 5 publications

(2 citation statements)

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“…Our draft genome has the potential to provide the basis for new ways to breed with D. dumetorum, for example avoiding the post-harvest hardening phenomenon, which begins within 24 h after harvest and makes it necessary to process the tubers within this time to allow consumption [2]. The family Dioscoreaceae consists of more than 800 species [56] and the post-harvest hardening phenomenon has only been reported from D. dumetorum [57], outlining the singularity of this species among yam species. We predicted a large number of genes, which will include putative genes controlling the post-harvest hardening on D. dumetorum and many useful bioactive compounds detected in this yam species, which is considered the most nutritious and valuable from a phytomedical point of view [58].…”

Section: Discussionmentioning

confidence: 99%

High Contiguity de novo Genome Sequence Assembly of Trifoliate Yam (Dioscorea dumetorum) Using Long Read Sequencing

Siadjeu

Pucker

Viehöver

et al. 2020

Genes

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Trifoliate yam (Dioscorea dumetorum) is one example of an orphan crop, not traded internationally. Post-harvest hardening of the tubers of this species starts within 24 h after harvesting and renders the tubers inedible. Genomic resources are required for D. dumetorum to improve breeding for non-hardening varieties as well as for other traits. We sequenced the D. dumetorum genome and generated the corresponding annotation. The two haplophases of this highly heterozygous genome were separated to a large extent. The assembly represents 485 Mbp of the genome with an N50 of over 3.2 Mbp. A total of 35,269 protein-encoding gene models as well as 9941 non-coding RNA genes were predicted, and functional annotations were assigned.

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Section: Discussionmentioning

confidence: 99%

High Contiguity de novo Genome Sequence Assembly of Trifoliate Yam (Dioscorea dumetorum) Using Long Read Sequencing

Siadjeu

Pucker

Viehöver

et al. 2020

Genes

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“…Our draft genome has the potential to provide a complete new way to breed in D. dumetorum , for example avoiding the post-harvest hardening phenomenon, which begins within 24 h after harvest and makes it necessary to process the tubers within this time to allow consumption [2]. The family Dioscoreaceae consists of more than 800 species [43] and the post-harvest hardening phenomenon has only been reported from D. dumetorum [44], outlining the singularity of this species among yam species. We predicted a large number of genes, which will include putative genes controlling the post-harvest hardening on D. dumetorum and many useful bioactive compounds detected in this yam species, which is considered the most nutritious and valuable from a phytomedical point of view [45].…”

Section: Discussionmentioning

confidence: 99%

High contiguityde novogenome sequence assembly of Trifoliate yam (Dioscorea dumetorum) using long read sequencing

Siadjeu

Pucker

Viehöver

et al. 2020

Preprint

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High contiguity de novo genome sequence assembly of 1 Trifoliate yam (Dioscorea dumetorum) using long read 2 sequencing 3 4 Abstract: The yam species Dioscorea dumetorum is one example of an orphan crop, not traded 17 internationally. Post-harvest hardening starts within 24 hours after harvesting and renders the tubers inedible.18 Genomic resources are required for trifoliate yam to improve breeding for non-hardening varieties and for 19 other traits. Here, we describe the sequencing of the D. dumetorum genome and the generation of a de novo 20 assembly together with a corresponding annotation. The two haplophases of this highly heterozygous genome 21 are separated to a large extent. The assembly represents 485 Mbp of the genome with an N50 of over 3.2 Mbp. 22 A total of 35,269 protein-encoding gene structures as well as 9,941 non-coding RNA genes were predicted and 23 functional annotations were assigned. 24 25

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