Overview
GenusMusa
SpeciesItinerans
Common NameYunnan banana
AbbreviationM. Itinerans


Musa itinerans, known also as Yunnan banana, is a close relative to both banana progenitors with wide distribution across subtropical China. It is native to south-east Asia and can be found in moist ravines to mountainous areas. In China, it is usually found in secondary tropical rainforests. It grows fast and can produce long rhizome with sucker emerging more than 2 meters from the mother plant, explaining its name origin.

Interestingly, It was shown as one of the most Foc-TR4 resistant and cold tolerant species in the Musa genus, providing valuable resource for the disease resistance and hardiness improvement in banana breeding.

The genome sequencing of this species is the result of the collaboration between SCBG CAS, Bioversity International and BGI. The study was financially supported by National Natural Science Foundation of China (No. 31261140366)

The draft genome was published in the following

Wu W. et al. Whole genome sequencing of a banana wild relative Musa itinerans provides insights into lineage-specific diversification of the Musa genus. Sci. Rep. 6: 31586. doi:10.1038/srep31586

If you have any question, please don’t hesitate to contact Xue-Jun Ge (xjge_at_scbg.ac.cn)

Assembly statistics

 Statistics of genome assembly

value

Assembled genome size (Mb)

462.1

Effective genome size (Mb)

422.1

Sequencing depth (×)

120

Filtered data (Gb)

74.2

N ratio in assembled genome (%)

8.6

Number of scaffolds (scaffold's length >=2kb)

7194

Contig N50 (bp)

33,903

Scaffold N50 (bp)

192,092

GC content (%)

38.8

Repeat rate (%)

38.9

Predicted protein-coding genes

32,456

Sequence anchored on chromosome (%)

57.0

Genes anchored on chromosome (%)

80.4