The quest for epigenetic regulation underlying unisexual. It is cultivated because its fruit has a sweet aromatic flavor and is rich in soluble sugars, organic acids, minerals, and vitamins. Pdf we report the genome sequence of melon, an important horticultural crop worldwide. Cucumis melo is highly diverse for fruit traits providing wide breeding and genetic research opportunities, including genomewide association gwa analysis. Cucumis melo cantalupensis is a annual climber growing to 1. The plant list includes 254 scientific plant names of species rank for the genus cucumis. It is in flower from july to september, and the seeds ripen from august to october. This plant may be known by one or more common names in different places, and some are listed above.
However, it is not a legal authority for statutory or regulatory purposes. Cucumber is an economically important crop as well as a model system for sex determination studies and plant vascular biology. The present invention relates to powdery mildew resistance providing genes of the cucumis family, and especially cucumis melo, wherein said resistance is provided by impairment of the present genes. The cantaloupe, rockmelon australia, sweet melon, or spanspek south africa is a melon that is a variety of the muskmelon species cucumis melo from the family cucurbitaceae cantaloupes range in weight from 0. Transcriptome analysis of the oriental melon cucumis melo.
Cucumis melo is a suitable study material for investigation of fruit ripening owing to its climacteric nature. Us20140189908a1 powdery mildew resistance providing. Long noncoding rnas have been linked to many important biological processes, such as fruit ripening, flowering time regulation, and abiotic stress responses in plants. Nevertheless, the nature and role of its epigenome in gene expression regulation and more specifically in sex determination remains largely unknown. We do not intend the plant list to be complete for names of infraspecific rank. The melon cucumis melo genome and genetic maps with hundreds to thousands of single nucleotide polymorphism markers were recently released. The plant list includes a further 257 scientific plant names of infraspecific rank for the genus cucumis. Because the chloroplast, mitochondrial, and nuclear genomes of cucumis are differentially transmitted, this genus is an excellent. We therefore sequenced bacends representing a total of 33,024 clones, half of them from a previously described melon bac library generated with restriction. We developed the first whole genome based microsatellite dna marker database of cucumis melo l. It belongs to the cucurbitaceae family, which also includes cucumber cucumis sativus l. Definition refseq lycopene epsilon cyclase, chloroplastic. Measurements dna technology types dna sequencing factor types reference genome sample characteristic organism cucumis melo machineaccessible metadata file describing the reported data. We have investigated genome wide h3k27me3 and h3k9ac.
Intraspecific classification of melons cucumis melo l. Cucumis sativus, cucurbita foetidissima, cucurbita maxima, cucurbita pepo, citrullus lanatus, thladiantha dubia habitat preference. In order to elucidate the genetic and molecular basis of the developmental changes that determine size. Search for any csgdbgene or aligned sequence by id or keyword, and download complete sequence or flanking 5 or 3 regions, exons, or introns fasta format download region data. Cmmdb is the first online web resource developed for genomewide analysis of cucumis melo l. This page describes the data available for cucumis melo muskmelon. A new crop for concentrated yield of pickleshaim nerson, harry s.
A versatile database for cucumis melo microsatellite. Although originally thought to originate in africa, recent data. Molecular phylogeny of cucumis species as revealed by. It is a creeping vine that bears cucumiform fruits that are used in salads. Component name genome accessions component representation proteins. For any specified genomic region, download genomic dna fasta format, all alignedcomputed transcripts or proteins fasta format, or all genome annotations genbank. High presenceabsence gene variability in defenserelated gene clusters of cucumis melo. Citeseerx document details isaac councill, lee giles, pradeep teregowda. A previous genome sequence of the melon was constructed from a homozygous doublehaploid line. Here we report the draft genome sequence of cucumis sativus var. A new linkage map of cucumis melo, derived from the f 2 progeny of a cross between pi 414723 and c. Gummy stem blight gsb is a destructive disease responsible for considerable economic losses during melon production. Cucumis melo cantalupensis cantaloupe melon pfaf plant. The gynoecious cucumis melo muskmelon gy4 derived from wi998 after four generations of selfing and selection was crossed with the monoecious pi124111f or the andromonoecious 36.
These include smoothskinned varieties such as honeydew, crenshaw, and casaba, and different netted cultivars cantaloupe, persian melon, and santa claus or christmas melon. The usda cucumis melo inbred line, mr1, harbors a wealth of alleles associated with resistance to several major diseases of melon, including powdery mildew, downy mildew, alternaria leaf blight. To investigate phylogenetic relationships in the genus cucumis, 9 consensus chloroplast simple sequence re peat ccssr primer pairs ccssr3, 9, 11, 14, 17, 20, 21, and 23 were employed for dna fragment length varia. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. This freely available web resource will facilitate the researchers to select the most appropriate markers for markerassisted selection in melons in order to understand the evolution of cucurbits and the improvement of breeding strategies. Cucumber cucumis sativus is a widely cultivated plant in the gourd family, cucurbitaceae. High presenceabsence gene variability in defenserelated. Melonetdb, a grand rnaseq gene expression atlas in melon. Cucurbitaceae melon, muskmelon, cantaloupe, honeydew, sugar melon including specialty melons such as garden lemon, japanese cucumber, and winter melon. A new web site for melonomics has been released, containing an improved genome assembly v3. Article pdf available in proceedings of the national academy of sciences 10929. The map viewer home page allows you to search the genome data of any organism represented in mapviewer.
An improved assembly and annotation of the melon cucumis melo. The increasing availability of genome sequences through the application of nextgeneration massive sequencing technologies has allowed the study of genomic polymorphisms at both the interspecific and intraspecific levels, thus. Draft genome sequences of two oriental melons, cucumis. We assembled 375 mb of the doublehaploid line dhl92. Construction of a genomeanchored, highdensity genetic. These are primarily included because names of species rank are. A genomic platform was also built in order to host the.
The map spans a total of 1421 cm and includes 179 points consisting of random amplified polymorphic dna rapd, amplified fragment length polymorphism aflp, intersimple sequence repeats issrs, simple sequence repeats ssrs, and restriction. A collection of 54 accessions representing diverse genotypes from 23 countries was surveyed. Melon cucumis melo is an important vegetable crop from the cucurbitaceae family and a reference model specie for sex determination, fruit ripening and vascular fluxes studies. This plant and synonyms italicized and indented above can be weedy or invasive according to the authoritative sources noted below. The large number of cultivars in this species approaches that found in wild cabbage, though morphological variation is. The map viewer help document describes how to use the map viewer software. To this end, we identified tlps at the level of genomewide and systematically analyzed their gene structure, chromosome location, conserved motifs, phylogenetic evolution, and gene duplications. Molecular phylogeny of cucumis species as revealed by consensus chloroplast ssr marker length and sequence variation s. Differential transmission of the cucumis organellar. Further, the present invention relates plants comprising the present impaired resistance conferring genes and seeds, embryos or other propagation material thereof. The genome sequence enabled an exhaustive phylogenic comparison of the melon genome with cucumber and other plant species. Linkage map of cucumis melo including phenotypic traits. You may return to the cucumis melo genome overview page to follow links to online help for cucumis melo bioinformatics.
Muskmelon cucumis melo is a species of melon that has been developed into many cultivated varieties. Cucumis melo is highly diverse for fruit traits providing wide breeding and genetic research opportunities, including genome wide association gwa analysis. We report the first successful application of genotypingbysequencing gbs technology in melon. It is characterized by an important leaf area with dark green color, elongate fruits with dark green skins, green flesh with an intermediate acidity and whitish seeds. Intraspecific classification of such variability has been difficult, and most taxonomists still rely on the work of naudin 1859. It is cultivated worldwide, mainly in temperate, subtropical and tropical regions.
A highquality melon genome assembly provides insights into. The species is monoecious individual flowers are either male or female, but both sexes can be found on the same plant and is pollinated by insects. With the advent of nextgeneration sequencing, single nucleotide polymorphism snp markers are widely used in the study of genetic diversity and genomics. We report the genome sequence of melon, an important horticultural crop worldwide. The melon belongs to the cucurbitaceae family, which also contains other important crops such as cucumber, watermelon and pumpkin. Cucumis melo melon seed extract is an extract of the seeds of cucumis. The sequenced cucumber genome affords insight into traits such as its sex expression, disease resistance, biosynthesis of cucurbitacin and fresh green odor. However, knowledge of the regulatory roles of lncrnas underlying the ripening process in c. Inheritance of betacaroteneassociated mesocarp color and. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. The muskmelon cultivar earls favorite harukei3 harukei3 known for its sweetness and rich aroma is used for breeding of highgrade muskmelon in japan. The f 1 progeny plants from both crosses were all monoecious. Cantaloupe, casaba melon, honey dew, melon, muskmelon.
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