Evidence map›Paper›PMID 20628788›Full record

ArticlePlant molecular biology2010

Apple S locus region represents a large cluster of related, polymorphic and pollen-specific F-box genes.

Mai Minamikawa, Hiroyuki Kakui, Sanhong Wang, Nobuhiro Kotoda, Shinji Kikuchi, Takato Koba, Hidenori Sassa

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Article in Plant molecular biology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

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31citing papers in PubMed
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3 · Its place in the literature

Who cites it

31 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Mai MinamikawaChiba University, Matsudo, Japan.
Hiroyuki Kakui
Sanhong Wang
Nobuhiro Kotoda
Shinji Kikuchi
Takato Koba
Hidenori Sassa

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Gametophytic self-incompatibility (GSI) of Rosaceae, Solanaceae and Plantaginaceae is controlled by a complex S locus that encodes separate proteins for pistil and pollen specificities, extracellular ribonucleases (S-RNases) and F-box proteins SFB/SLF, respectively. SFB/SLFs of Prunus (subfamily Prunoideae of Rosaceae), Solanaceae and Plantaginaceae are single copy in each S haplotype, while recently identified pollen S candidates SFBBs of subfamily Maloideae of Rosaceae, apple and Japanese pear, are multiple; two and three related SFBBs were isolated from each S haplotype of apple and Japanese pear, respectively. Here, we show that apple (Malus x domestica) SFBBs constitute a gene family that is much larger than initially thought. Twenty additional SFBB-like genes/alleles were isolated by screening of a BAC library derived from S (3) S (9) genotype, and tentatively named MdFBX1-20. All but one MdFBX showed S haplotype-specific polymorphisms. All the polymorphic MdFBXs were completely linked to S-RNase in 239 segregants. In addition, FISH revealed that the monomorphic gene MdFBX11 is also located near S-RNase, and the S locus is located in a subtelomeric region of a chromosome and is not close to the centromere. All MdFBXs were specifically expressed in pollen, except for a pseudogene MdFBX4 that showed no expression in any organs analyzed. Phylogenetic analysis revealed that the closest relatives of most MdFBXs were from a different S haplotype, suggesting that proliferation of MdSFBB/FBXs predates diversification of the S haplotypes.

Indexed as

Genes, PlantMultigene FamilyAmino Acid SequenceBase SequenceChromosomes, Artificial, BacterialDNA PrimersEvolution, MolecularF-Box ProteinsGene LibraryGenetic LinkageHaplotypesIn Situ Hybridization, FluorescenceMalusMolecular Sequence DataPhylogenyPhysical Chromosome MappingDNA PrimersF-Box ProteinsPlant ProteinsRibonucleases

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.