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The complete chloroplast of Chrysanthemum × morifolium 'Fubaiju'.

ABSTRACT: Chrysanthemum × morifolium 'Fubaiju,' which is native to Macheng, Hubei, China, has a long cultivation history almost dating back to the early 10th century Song dynasty, and is used as Chrysanthemum tea drink and Chinese traditional medicine. In this study, the complete chloroplast genome sequence of 'Fubaiju' was 151,109 bp, included a large single copy LSC (82,931 bp), a small single copy SSC (18,350 bp), and a pair of inverted repeat regions (24,941 bp). It contained 132 genes with 87 CDS, 8r RNA, and 37 tRNA. The phylogenetic analysis showed that the C. × morifolium 'Fubaiju' was clustered together with C. × morifolium 'Baekma'.

SUBMITTER: Zeng T

PROVIDER: S-EPMC8477944 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Complete chloroplast genome sequence of a Chinese traditional cultivar in Chrysanthemum, Chrysanthemum morifolium 'Anhuishiliuye'.

Project description:The complete plastid genome of Chrysanthemum morifolium 'Anhuishiliuye', a Chinese traditional cultivar, was determined and analyzed in this work. It had a circular-mapping molecular with the length of 151,059 bp.The LSC and SSC of 82,857 bp and 18,294 bp were separated by two IRs of 24,954 bp. The chloroplast genome of C. morifolium 'Anhuishiliuye' contains 125 genes, including 83 protein-coding genes, 34 ribosomal RNA genes and 8 transfer RNA genes. Phylogenetic analysis showed that C. morifolium 'Anhuishiliuye' clustered together with other Chrysanthemum species. The data provided would be useful for elucidation of phylogenetics and evolution in Chrysanthemum cultivars.

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The complete chloroplast genome of an economic plant, Chrysanthemum morifolium 'Baekma'.

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The complete chloroplast genome sequence of a cultivar of Chrysanthemum, Chrysanthemum × morifolium 'Hangbaiju' (Asteraceae).

Project description:Chrysanthemum × morifolium Ramat 1792 cultivar 'Hangbaiju', also known as 'Hangzhou White Chrysanthemum', originates from Tongxiang City, Zhejiang Province, China. It is celebrated as one of Zhejiang's 'eight flavors'. In this study, we reported the complete chloroplast genome of Chrysanthemum × morifolium cultivar 'Hangbaiju'. The genome has a circular structure of 151,110 bp containing a large single-copy region (LSC) of 82,851 bp, a small copy region (SSC) of 18,351 bp, and two inverted repeats (IR) of 24,936 and 24,972 bp in length. It comprises 128 genes: 85 protein-coding gene, 8 ribosomal RNA (rRNA) genes, and 35 transfer RNA (tRNA) genes. Phylogenetic analysis, based on complete chloroplast genomes, demonstrates that Chrysanthemum × morifolium 'Hangbaiju' shares a close genetic cluster with Chrysanthemum × morifolium 'Fubaiju' (MT1919691.1). Notably, 'Fubaiju' was introduced to Macheng, Hubei Province from Tongxiang in 1968 according to public information. The chloroplast genome data, coupled with morphological and historical records, strongly suggest that they are the same variety known by different names based on their cultivation locations.

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Identification of chrysanthemum (Chrysanthemum morifolium) self-incompatibility.

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Transcriptome analysis during axillary bud growth in chrysanthemum (chrysanthemum×morifolium)

Project description: Not available

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MicroRNA Expression Profile during Aphid Feeding in Chrysanthemum (Chrysanthemum morifolium).

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Gene expression profiles responses to aphid feeding in chrysanthemum (Chrysanthemum morifolium).

Project description:BackgroundChrysanthemum is an important ornamental plant all over the world. It is easily attacked by aphid, Macrosiphoniella sanbourni. The molecular mechanisms of plant defense responses to aphid are only partially understood. Here, we investigate the gene expression changes in response to aphid feeding in chrysanthemum leaf by RNA-Seq technology.ResultsThree libraries were generated from pooled leaf tissues of Chrysanthemum morifolium 'nannongxunzhang' that were collected at different time points with (Y) or without (CK) aphid infestations and mock puncture treatment (Z), and sequenced using an Illumina HiSeqTM 2000 platform. A total of 7,363,292, 7,215,860 and 7,319,841 clean reads were obtained in library CK, Y and Z, respectively. The proportion of clean reads was >97.29% in each library. Approximately 76.35% of the clean reads were mapped to a reference gene database including all known chrysanthemum unigene sequences. 1,157, 527 and 340 differentially expressed genes (DEGs) were identified in the comparison of CK-VS-Y, CK-VS-Z and Z-VS-Y, respectively. These DEGs were involved in phytohormone signaling, cell wall biosynthesis, photosynthesis, reactive oxygen species (ROS) pathway and transcription factor regulatory networks, and so on.ConclusionsChanges in gene expression induced by aphid feeding are shown to be multifaceted. There are various forms of crosstalk between different pathways those genes belonging to, which would allow plants to fine-tune its defense responses.

| S-EPMC4265409 | biostudies-literature

Chrysanthemum (Chrysanthemum morifolium) CmHRE2-like negatively regulates the resistance of chrysanthemum to the aphid (Macrosiphoniella sanborni).

Project description:BackgroundThe growth and ornamental value of chrysanthemums are frequently hindered by aphid attacks. The ethylene-responsive factor (ERF) gene family is pivotal in responding to biotic stress, including insect stress. However, to date, little is known regarding the involvement of ERF transcription factors (TFs) in the response of chrysanthemum to aphids.ResultsIn the present study, CmHRE2-like from chrysanthemum (Chrysanthemum morifolium), a transcription activator that localizes mainly to the nucleus, was cloned. Expression is induced by aphid infestation. Overexpression of CmHRE2-like in chrysanthemum mediated its susceptibility to aphids, whereas CmHRE2-like-SRDX dominant repressor transgenic plants enhanced the resistance of chrysanthemum to aphids, suggesting that CmHRE2-like contributes to the susceptibility of chrysanthemum to aphids. The flavonoids in CmHRE2-like-overexpression plants were decreased by 29% and 28% in two different lines, whereas they were increased by 42% and 29% in CmHRE2-like-SRDX dominant repressor transgenic plants. The expression of Chrysanthemum-chalcone-synthase gene(CmCHS), chalcone isomerase gene (CmCHI), and flavonoid 3'-hydroxylase gene(CmF3'H) was downregulated in CmHRE2-like overexpression plants and upregulated in CmHRE2-like-SRDX dominant repressor transgenic plants, suggesting that CmHRE2-like regulates the resistance of chrysanthemum to aphids partially through the regulation of flavonoid biosynthesis.ConclusionCmHRE2-like was a key gene regulating the vulnerability of chrysanthemum to aphids. This study offers fresh perspectives on the molecular mechanisms of chrysanthemum-aphid interactions and may bear practical significance for developing new strategies to manage aphid infestation in chrysanthemums.

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The complete chloroplast genome of Chrysanthemum boreale (Asteraceae).

Project description:Chrysanthemum boreale is a perennial plant in the Asteraceae family that is native to eastern Asia and has both ornamental and herbal uses. Here, we determined the complete chloroplast genome sequence for C. boreale using long-read sequencing. The chloroplast genome was 151,012?bp and consisted of a large single copy (LSC) region (82,817?bp), a small single copy (SSC) region (18,281?bp) and two inverted repeats (IRs) (24,957?bp). It was predicted to contain 131 genes, including 87 protein-coding genes, eight rRNAs and 46 tRNAs. Phylogenetic analysis of chloroplast genomes clustered C. boreale with other Chrysanthemum and Asteraceae species.

| S-EPMC7799447 | biostudies-literature

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