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Candidate gene selection and detailed morphological evaluations of fs8.1, a quantitative trait locus controlling tomato fruit shape.

Sun L, Rodriguez GR, Clevenger JP, Illa-Berenguer E, Lin J, Blakeslee JJ, Liu W, Fei Z, Wijeratne A, Meulia T, van der Knaap E - J. Exp. Bot. (2015)

Bottom Line: Of the 122 annotated genes found in the fs8.1 region, 51 were expressed during floral development and six were differentially expressed in anthesis-stage ovaries in fs8.1 and wild-type (WT) lines.This led to the identification of 158 single-nucleotide polymorphisms (SNPs) and five small indels in the fs8.1 interval, including 31 that could be associated with changes in gene expression or function.Fruit weight was also increased in fs8.1 compared with WT, which was predominantly attributed to the increased fruit length.

View Article: PubMed Central - PubMed

Affiliation: Department of Horticulture and Crop Science, The Ohio State University/OARDC, Wooster, OH 44691, USA.

No MeSH data available.


Fruit shape index changes during development. At least three fruits per plant and five plants per genotype were evaluated.
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Figure 5: Fruit shape index changes during development. At least three fruits per plant and five plants per genotype were evaluated.

Mentions: We wanted to know whether fs8.1 controls the shape of other plant organs in addition to the fruit. The maximal length and shape index were significantly increased in all reproductive organs except for the style, while the maximal width did not differ (Table 1). To evaluate the effect of fs8.1 on development, shape index changes were monitored during fruit growth. The dynamics of the shape index of fs8.1 and WT followed the same pattern during fruit development, with the highest value occurring at 5 d post anthesis (Fig. 5). However, the final fruit shape index of both fs8.1 and WT was similar to the shape index of anthesis-stage ovaries (Fig. 5). In addition to the shape index, fs8.1 also significantly increased fruit weight and pericarp area. Other traits related to fruit structure and seed weight were not consistently different between fs8.1 and WT (Supplementary Table S8, available at JXB online). For the vegetative traits, only total side shoot length was consistently increased in fs8.1 and at two different time points (Supplementary Table S9, available at JXB online).


Candidate gene selection and detailed morphological evaluations of fs8.1, a quantitative trait locus controlling tomato fruit shape.

Sun L, Rodriguez GR, Clevenger JP, Illa-Berenguer E, Lin J, Blakeslee JJ, Liu W, Fei Z, Wijeratne A, Meulia T, van der Knaap E - J. Exp. Bot. (2015)

Fruit shape index changes during development. At least three fruits per plant and five plants per genotype were evaluated.
© Copyright Policy - creative-commons
Related In: Results  -  Collection

License 1 - License 2
Show All Figures
getmorefigures.php?uid=PMC4588892&req=5

Figure 5: Fruit shape index changes during development. At least three fruits per plant and five plants per genotype were evaluated.
Mentions: We wanted to know whether fs8.1 controls the shape of other plant organs in addition to the fruit. The maximal length and shape index were significantly increased in all reproductive organs except for the style, while the maximal width did not differ (Table 1). To evaluate the effect of fs8.1 on development, shape index changes were monitored during fruit growth. The dynamics of the shape index of fs8.1 and WT followed the same pattern during fruit development, with the highest value occurring at 5 d post anthesis (Fig. 5). However, the final fruit shape index of both fs8.1 and WT was similar to the shape index of anthesis-stage ovaries (Fig. 5). In addition to the shape index, fs8.1 also significantly increased fruit weight and pericarp area. Other traits related to fruit structure and seed weight were not consistently different between fs8.1 and WT (Supplementary Table S8, available at JXB online). For the vegetative traits, only total side shoot length was consistently increased in fs8.1 and at two different time points (Supplementary Table S9, available at JXB online).

Bottom Line: Of the 122 annotated genes found in the fs8.1 region, 51 were expressed during floral development and six were differentially expressed in anthesis-stage ovaries in fs8.1 and wild-type (WT) lines.This led to the identification of 158 single-nucleotide polymorphisms (SNPs) and five small indels in the fs8.1 interval, including 31 that could be associated with changes in gene expression or function.Fruit weight was also increased in fs8.1 compared with WT, which was predominantly attributed to the increased fruit length.

View Article: PubMed Central - PubMed

Affiliation: Department of Horticulture and Crop Science, The Ohio State University/OARDC, Wooster, OH 44691, USA.

No MeSH data available.