ArticleBMC plant biology2023
Genome-wide identification and expression patterns of the laccase gene family in response to kiwifruit bacterial canker infection.
Article in BMC plant biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 6 citations in OpenAlex.
- Genome-wide characterization of the LAC gene family in five fern species reveals evolutionary diversification and putative roles in lignin biosynthesis in Alsophila spinulosa.BMC plant biology · 2026Article
- Identification, characterization, and expression profiling of genes encoding tubby-like proteins in rice exposed to realistic environmental contamination of anilofos and bentazone.Journal, genetic engineering & biotechnology · 2026Article
- Genome-wide identification of SIMILAR to RCD ONE (SRO) gene family in rapeseed (Plant signaling & behavior · 2024Article
- Identification of Grape Laccase Genes and Their Potential Role in Secondary Metabolite Synthesis.International journal of molecular sciences · 2024Article
- The Laccase Family GenePlants (Basel, Switzerland) · 2024Article
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Authors and funding
9 authors at 1 institution in 1 country.
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Abstract
backgroundKiwifruit bacterial canker, caused by Pseudomonas syringae pv. actinidiae (Psa), is a destructive disease worldwide. Resistance genes that respond to Psa infection urgently need to be identified for controlling this disease. Laccase is mainly involved in the synthesis of lignin in the plant cell wall and plays a prominent role in plant growth and resistance to pathogen infection. However, the role of laccase in kiwifruit has not been reported, and whether laccase is pivotal in the response to Psa infection remains unclear.
resultsWe conducted a bioinformatics analysis to identify 55 laccase genes (AcLAC1-AcLAC55) in the kiwifruit genome. These genes were classified into five cluster groups (I-V) based on phylogenetic analysis, with cluster groups I and II having the highest number of members. Analysis of the exon-intron structure revealed that the number of exons varied from 1 to 8, with an average of 5 introns. Our evolutionary analysis indicated that fragment duplication played a key role in the expansion of kiwifruit laccase genes. Furthermore, evolutionary pressure analysis suggested that AcLAC genes were under purifying selection. We also performed a cis-acting element analysis and found that AcLAC genes contained multiple hormone (337) and stress signal (36) elements in their promoter regions. Additionally, we investigated the expression pattern of laccase genes in kiwifruit stems and leaves infected with Psa. Our findings revealed that laccase gene expression levels in the stems were higher than those in the leaves 5 days after inoculation with Psa. Notably, AcLAC2, AcLAC4, AcLAC17, AcLAC18, AcLAC26, and AcLAC42 showed significantly higher expression levels (p < 0.001) compared to the non-inoculated control (0 d), suggesting their potential role in resisting Psa infection. Moreover, our prediction indicated that 21 kiwifruit laccase genes are regulated by miRNA397, they could potentially act as negative regulators of lignin biosynthesis.
conclusionsThese results are valuable for further analysis of the resistance function and molecular mechanism of laccases in kiwifruit.
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