Sugarcane improvement: how far can we go?

Abstract:

:In recent years, efforts to improve sugarcane have focused on the development of biotechnology for this crop. It has become clear that sugarcane lacks tools for the biotechnological route of improvement and that the initial efforts in sequencing ESTs had limited impact for breeding. Until recently, the models used by breeders in statistical genetics approaches have been developed for diploid organisms, which are not ideal for a polyploid genome such as that of sugarcane. Breeding programs are dealing with decreasing yield gains. The contribution of multiple alleles to complex traits such as yield is a basic question underlining the breeding efforts that could only be addressed by the development of specific tools for this grass. However, functional genomics has progressed and gene expression profiling is leading to the definition of gene networks. The sequencing of the sugarcane genome, which is underway, will greatly contribute to numerous aspects of research on grasses. We expect that both the transgenic and the marker-assisted route for sugarcane improvement will contribute to increased sugar, stress tolerance, and higher yield and that the industry for years to come will be able to rely on sugarcane as the most productive energy crop.

journal_name

Curr Opin Biotechnol

authors

Dal-Bianco M,Carneiro MS,Hotta CT,Chapola RG,Hoffmann HP,Garcia AA,Souza GM

doi

10.1016/j.copbio.2011.09.002

subject

Has Abstract

pub_date

2012-04-01 00:00:00

pages

265-70

issue

2

eissn

0958-1669

issn

1879-0429

pii

S0958-1669(11)00677-X

journal_volume

23

pub_type

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