Abstract
Analysis of 30 tomato cultivars with different fruit locule numbers revealed four cultivars with multi-locular fruits carrying a null mutation in the SlFAS gene. It was shown that cultivars with more than two fruit locules contain two SNPs, associated with the multi-locule trait, at the locule number locus. Co-expression profile of SlFAS, SlYABBY2 and SlYABBY5 genes was determined in a young bud and at three stages of fruit development in three tomato cultivars contrasting in the fruit locule number. In the Cœur de bœuf cultivar (≥10 locules), SlFAS transcripts were absent in all analyzed tissues. In addition, compared with the Red Cherry (2 locules) and Viking (5–6 locules) cultivars, in the Cœur de bœuf bud and fruits, the transcription levels of SlYABBY2 and SlYABBY5 were considerably lower and higher, respectively.
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ACKNOWLEDGMENTS
Experiments were performed using the experimental climate control facility (Federal Research Center Fundamentals of Biotechnology, Russian Academy of Sciences, Moscow).
Funding
This study was supported by the Russian Foundation for Basic Research (grant no. 18-29-07007) and the Ministry of Science and Higher Education of the Russian Federation.
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The authors declare that they have no conflict of interest. This article does not contain any studies involving animals or human participants performed by any of the authors.
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Translated by N. Maleeva
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Slugina, M.A., Filyushin, M.A., Shchennikova, A.V. et al. FAS, YABBY2, and YABBY5 Gene Expression Profile Correlates with Different Fruit Locule Number in Tomato. Russ J Genet 56, 410–416 (2020). https://doi.org/10.1134/S1022795420030151
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DOI: https://doi.org/10.1134/S1022795420030151