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Phytomonas

ABSTRACT: Plant-infecting trypanosomes

PROVIDER: PRJNA238370 | ENA |

REPOSITORIES: ENA

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Dataset's files

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			Action	DRS
		Other
	CAVQ01.dat.gz	Other
	CAVQ01.fasta.gz	Fasta.gz
	CAVQ01.master.dat	Other
	CAVR02.dat.gz	Other

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Transcriptome sequencing of the Cassava (Manihot esculenta) latex parasite Phytomonas francai

Project description:Phytomonas are a large and diverse sub-group of plant-infecting trypanosomatids that are relatively poorly understood. Little is known of their biology or how they have adapted to life inside plants. This study sequenced the genome of the Cassava (Manihot esculenta) infecting species Phytomonas francai to provide additional genome resources and new insight into the biology of this poorly understood group of organisms.

2016-10-02 | E-MTAB-5110 | biostudies-arrayexpress

The glycoinositol-phospholipids of Phytomonas.

Project description:The Phytomonas spp. are trypanosomatid parasites of plants. A polar glycolipid fraction of a Phytomonas sp., isolated from the plant Euphorbia characias and grown in culture, was fractionated into four major glycolipid species (Phy 1-4). The glycolipids were analysed by chemical and enzymic modifications, composition and methylation analyses, electrospray mass spectrometry and microsequencing after HNO2 deamination and NaB3H4 reduction. The water-soluble headgroup of the Phy2 glycolipid was also analysed by 1H NMR. All four glycolipids were shown to be glycoinositol-phospholipids (GIPLs) with phosphatidylinositol (PI) moieties containing the fully saturated alkylacylglycerol lipids 1-O-hexadecyl-2-O-palmitoylglycerol and 1-O-hexadecyl-2-O-stearoylglycerol. The structures of the Phy 1-4 GIPLs are: Man alpha 1-2Man alpha 1-6Man alpha 1-4GlcN alpha 1-6PI, Glc alpha 1-2(NH2-CH2CH2-HPO4-)Man alpha 1-2Man alpha 1-6Man alpha 1-4GlcN alpha 1-6PI, [formula: see text] Glc alpha 1-2(NH2CH2CH2-HPO4-)Man alpha 1-2Man alpha 1-6Man alpha 1-4(NH2-CH2CH2-HPO4-)GlcN alpha 1-6PI [formula: see text] and Glc alpha 1-2Glc alpha 1-2(NH2CH2-CH2-HPO4-)Man alpha 1-2Man alpha 1-6Man alpha 1-4(NH2CH2CH2-HPO4-)-GlcN alpha 1-6PI. [formula: see text] The Phytomonas GIPLs represent a novel series of structures. This is the first description of the chemical structure of cell-surface molecules of this plant pathogen. The Phytomonas GIPLs are compared with those of other trypanosomatid parasites and are discussed with respect to trypanosomatid phylogenetic relationships.

| S-EPMC1136026 | biostudies-literature

Plasmopara halstedii

Project description:A plant pathogen infecting sunflowers

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Phytomonas: trypanosomatids adapted to plant environments.

Project description:Over 100 years after trypanosomatids were first discovered in plant tissues, Phytomonas parasites have now been isolated across the globe from members of 24 different plant families. Most identified species have not been associated with any plant pathology and to date only two species are definitively known to cause plant disease. These diseases (wilt of palm and coffee phloem necrosis) are problematic in areas of South America where they threaten the economies of developing countries. In contrast to their mammalian infective relatives, our knowledge of the biology of Phytomonas parasites and how they interact with their plant hosts is limited. This review draws together a century of research into plant trypanosomatids, from the first isolations and experimental infections to the recent publication of the first Phytomonas genomes. The availability of genomic data for these plant parasites opens a new avenue for comparative investigations into trypanosomatid biology and provides fresh insight into how this important group of parasites have adapted to survive in a spectrum of hosts from crocodiles to coconuts.

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The genome sequencing of Phytomonas HART1

Project description:Obtaining the full sequence of the genome of one plant trypanosomatid

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The genome sequencing of Phytomonas EM1

Project description:Obtaining the full sequence of the genome of one plant trypanosomatid

| PRJEB1535 | ENA

Nitrates increase abscisic acid levels to regulate haustoria formation in the parasitic plant Phtheirospermum japonicum

Project description:Transcriptomic changes during haustoria formation in the parasitic plant Phtheirospermum japonicum. We performed RNAseq on Phtheirospermum japonicum seedling infecting and not infecting over 5 time points during haustoria formation for the control treatment and over 3 time points for the ammonium nitrate and 6-Benzylaminipurine. We investigated the transcriptomic changes during haustoria formation and how this is affected in the transcritpome level by nitrate and cytokinin treatment.

2022-05-17 | GSE177484 | GEO

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