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Comparison between Tomato Genome Sequence and its wild relative, Solanum pimpinellifolium reveal newly acquired gene functions controlling fruit color.

Comparison between Tomato Genome Sequence and its wild relative, Solanum pimpinellifolium reveal newly acquired gene functions controlling fruit color.

An article entitled, “The tomato genome sequence provides insights into fleshy fruit evolution” has been published in Nature in its 31st May issue 48: 635–641. As many as 51 scientists under the Tomato Genome Consortium took part in this investigation. In this article a high-quality genome sequence of tomato Solanum lycopersicum has been compared with a draft sequence of its closest wild relative, S. pimpinellifolium and the potato genome  (Solanum tuberosum). The nucleotide divergence between the genomes of the two tomato species was found to be only 0.6%, while the divergence between the potato and the domesticated tomato genome was found to be 8% including nine large and several small inversions. Another interesting observation these scientists made was two genome triplications, one ancient followed by a more recent one. Due to the triplications the concerned genes assumed new functions controlling color and fleshiness of the fruit. Please CLICK HERE to read more. As it’s an open access full article it can be viewed.

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