Citrus sp.
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PROVIDER: PRJNA863917 | ENA |
REPOSITORIES: ENA
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Project description:Background: Limited data are available on aluminum (Al)-toxicity-induced alterations of gene profiles in woody plants. Seedlings of Al-tolerant Citrus sinensis and Al-intolerant Citrus grandis were fertigated with nutrient solution containing 0 and 1.0 mM AlCl3â?¢6H2O. Thereafter, we investigated the Al-toxicity-induced alterations of transcriptomics in roots by RNA-Seq. Results: Using RNA-seq, we isolated 1293 (990) up- and 1377 (915) downregulated genes from Al-treated C. grandis (C. sinensis) roots. Clearly, gene expression was less affected by Al-toxicity in C. sinensis roots than in C. grandis ones. Several Al-toxicity-responsive genes homologous to known Al-tolerance genes: Al-activated malate transporter, multidrug and toxic compound extrusion (MATE), IRON REGULATED/ferroportin 1, sensitive to proton rhizotoxicity 1 and monogalactosyldiacylglycerol synthase were identified in citrus roots. However, Al-induced upregulation of all these genes was stronger in C. grandis roots than in C. sinensis ones except for MATEs. Genes related to signal transduction, and sulfur transport and metabolism might also play a role in the higher Al-tolerance of C. sinensis. Conclusions: This is the first comparative investigation of transcriptomic responses in Al-treated citrus roots. There were common and unique mechanisms for citrus Al-tolerance. These results provide a platform for further investigating the roles of genes possibly responsible for citrus Al-tolerance. Examination of mRNA levels in control and Al-treatment roots of C. grandis and C. sinensis with two biological replicates were generated by deep sequencing, using Illumina HiSeq 2000 device.
2016-08-24 | E-GEOD-85958 | biostudies-arrayexpress
Project description:Background: Limited data are available on aluminum (Al)-toxicity-induced alterations of gene profiles in woody plants. Seedlings of Al-tolerant Citrus sinensis and Al-intolerant Citrus grandis were fertigated with nutrient solution containing 0 and 1.0 mM AlCl3•6H2O. Thereafter, we investigated the Al-toxicity-induced alterations of transcriptomics in leaves by RNA-Seq. Results: Using RNA-seq, we isolated 1162 (181) up- and 496 (234) downregulated genes from Al-treated C. grandis (C. sinensis) leaves. Clearly, gene expression was less affected by Al-toxicity in C. sinensis leaves than in C. grandis ones. Several Al-toxicity-responsive genes homologous to known Al-tolerance genes: ALUMINUM SENSITIVE 3 (ALS3), multidrug and toxic compound extrusion (MATE), glutathione S-transferase (GST), L-galactose dehydrogenase（L-GalDH) and lipoxygenase (LOX) were identified in citrus leaves. Genes related to signal transduction, and sulfur transport and metabolism might also play a role in the higher Al-tolerance of C. sinensis. Conclusions: This is the first comparative investigation of transcriptomic responses in Al-treated citrus leaves. There were common and unique mechanisms for citrus Al-tolerance. These results provide a platform for further investigating the roles of genes possibly responsible for citrus Al-tolerance.
2018-01-08 | GSE108837 | GEO
Project description:Background: Limited data are available on aluminum (Al)-toxicity-induced alterations of gene profiles in woody plants. Seedlings of Al-tolerant Citrus sinensis and Al-intolerant Citrus grandis were fertigated with nutrient solution containing 0 and 1.0 mM AlCl3•6H2O. Thereafter, we investigated the Al-toxicity-induced alterations of transcriptomics in roots by RNA-Seq. Results: Using RNA-seq, we isolated 1293 (990) up- and 1377 (915) downregulated genes from Al-treated C. grandis (C. sinensis) roots. Clearly, gene expression was less affected by Al-toxicity in C. sinensis roots than in C. grandis ones. Several Al-toxicity-responsive genes homologous to known Al-tolerance genes: Al-activated malate transporter, multidrug and toxic compound extrusion (MATE), IRON REGULATED/ferroportin 1, sensitive to proton rhizotoxicity 1 and monogalactosyldiacylglycerol synthase were identified in citrus roots. However, Al-induced upregulation of all these genes was stronger in C. grandis roots than in C. sinensis ones except for MATEs. Genes related to signal transduction, and sulfur transport and metabolism might also play a role in the higher Al-tolerance of C. sinensis. Conclusions: This is the first comparative investigation of transcriptomic responses in Al-treated citrus roots. There were common and unique mechanisms for citrus Al-tolerance. These results provide a platform for further investigating the roles of genes possibly responsible for citrus Al-tolerance.
2016-08-24 | GSE85958 | GEO
Project description:Citrus sp. cultivar:Citrus grandis Tomentosa Genome sequencing
| PRJNA1173912 | ENA
Project description:The postharvest senescence processes of citrus fruits were analyzed transcriptomic. The present study was aimed to: further uncover the rind-flesh communication of hesperidium; characterize the differential storage behaviors of different citrus varieties; reveal the important changes during storing process; and demonstrate the specific non-climacteric characteristics of citrus fruits. We chose four major table fruit varieties of citrus: satsuma mandarin (Citrus unshiu Marc) (M), ponkan (Citrus reticulata Blanco) (K), newhall navel orange (Citrus sinensis L. Osbeck) (O) and shatian pummelo (Citrus grandis Osbeck) (P). They were sampled every 10 days during 50 DAH (days after harvest), almost covering the commercial storage period of loose-skin citrus.
2014-12-03 | E-GEOD-63706 | biostudies-arrayexpress
Project description:Our previous studies indicated that long-term B-toxicity was mainly limited to leaves of Citrus species; alternations of cell wall structure in vascular bundles were involved in tolerance to B-toxicity. Here, miRNAs and their expression pattern were first identified from B-treated Citrus sinensis (tolerant) and C. grandis (intolerant) leaves with high-throughput sequencing in order to identify miRNAs that might be involved in tolerance to B-toxicity. Results: 51 (23 conserved and 28 novel) miRNAs in C. grandis and 20 (6 conserved and 14 novel) in C. sinensis were differentially expressed after B-toxic treatment, respectively. Illumina sequencing results were validated by stem-loop qRT-PCR, and 82.5% qRT-PCR data coincided with those from direct sequencing. Among the differentially expressed miRNAs, miR395a and miR397a were the most significantly up-regulated in B-toxic C. grandis leaves, yet both were down-regulated in B-toxic C. sinensis ones. With modified 5’-RACE, four auxin response factor genes were confirmed as the real targets of miR160a, and two laccase (LAC) genes as those of miR397a, respectively. Localization of cell wall polysaccharides indicated that up-regulation of LAC4 resulted in secondary deposition of cell wall polysaccharides in regions near the pits of vessel elements in C. sinensis, and that down-regulation of both LAC17 and LAC4, via up-regulating their negative regulator miR397a, led to poorly developed vessel elements in C. grandis.Our findings demonstrated that miR397a played a pivotal role in woody Citrus tolerance to B-toxicity by targeting LAC17 and LAC4, of which both were responsible for secondary cell wall synthesis.
2017-02-13 | GSE74434 | GEO
Project description:After long-term low pH treatment, 2D electrophoresis and mass spectrum were conducted to investigate different proteiomic profile in Citrus sinensis and Citrus grandis leaves samples.
2018-10-16 | PXD010426 | Pride
Project description:After long-term Copper-toxicity treatment,2D electrophoresis and mass spectrum were conducted to investigate different proteiomic profile in Citrus sinensis and Citrus grandis leaves samples.
2020-05-27 | PXD017049 | Pride