Identification of the Causative Genes of Calcium Deficiency Disorders in Horticulture Crops: A Systematic Review

Takanori Kuronuma and Hitoshi Watanabe
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Takanori Kuronuma: Center for Environment, Health and Field Sciences, Chiba University, Chiba 277-0882, Japan
Hitoshi Watanabe: Center for Environment, Health and Field Sciences, Chiba University, Chiba 277-0882, Japan

Agriculture, 2021, vol. 11, issue 10, 1-18

Abstract: The occurrence of calcium (Ca 2+ ) deficiency disorders is a severe problem in the production of horticulture crops. Recently, several studies have investigated the role of gene expression in Ca 2+ deficiency disorders and/or Ca 2+ accumulation, providing an indication of the mechanism of Ca 2+ deficiency disorders at the genetic level. To determine the relation between gene expression and the occurrence of Ca 2+ deficiency disorders, we conducted a systematic review of the literature using the Preferred Reporting Items for Systematic Reviews and Meta-analyses protocol. In our initial search, we extracted studies investigating the relationships between Ca 2+ deficiency disorders (tipburn and blossom-end rot) and gene expression. In our second search, we extracted studies involving functional analyses of the genes associated with Ca 2+ deficiency and/or Ca 2+ accumulation in plant organs. Thirty-seven articles were extracted from both searches. Studies on Ca 2+ movement-related genes (Ca 2+ antiporters, calreticulin, Ca 2+ pumps, Ca 2+ channels, and pectin methylesterases) accounted for the majority of these articles. Particularly, the effects of the expression of CAXs (Ca 2+ /H + antiporters) and CRT (calreticulin) on the occurrence of Ca 2+ deficiency disorders were demonstrated in studies extracted from both searches. Further research focusing on these genes may reveal the causative genes for Ca deficiency disorders in different horticulture crops. We hope that the knowledge synthesized in this systematic review will contribute to the accumulation of further knowledge and elucidation of the causes of Ca 2+ deficiency disorders.

Keywords: Ca 2+ deficiency; gene expression; transcriptome; QTL; Ca 2+ accumulation; Ca 2+ antiporter; Ca 2+ channel; Ca 2+ pump; Ca 2+ binding protein (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2021
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