Base de dados : MEDLINE
Pesquisa : B01.650.940.800.575.912.250.157.150 [Categoria DeCS]
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[PMID]:28809950
[Au] Autor:Raman G; Park V; Kwak M; Lee B; Park S
[Ad] Endereço:Department of Life Sciences, Yeungnam University, Gyeongsan, Gyeongsan-buk, Republic of Korea.
[Ti] Título:Characterization of the complete chloroplast genome of Arabis stellari and comparisons with related species.
[So] Source:PLoS One;12(8):e0183197, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Arabis stellari var. japonica is an ornamental plant of the Brassicaceae family, and is widely distributed in South Korea. However, no information is available about its molecular biology and no genomic study has been performed on A. stellari. In this paper, the authors report the complete chloroplast genome sequence of A. stellari. The plastome of A. stellari was 153,683 bp in length with 36.4% GC and included a pair of inverted repeats (IRs) of 26,423 bp that separated a large single-copy (LSC) region of 82,807 bp and a small single-copy (SSC) region of 18,030 bp. It was also found to contain 113 unique genes, of which 79 were protein-coding genes, 30 were transfer RNAs, and four were ribosomal RNAs. The gene content and organization of the A. stellari chloroplast genome were similar to those of other Brassicaceae genomes except for the absence of the rps16 protein-coding gene. A total of 991 SSRs were identified in the genome. The chloroplast genome of A. stellari was compared with closely related species of the Brassicaceae family. Comparative analysis showed a minor divergence occurred in the protein-coding matK, ycf1, ccsA, accD and rpl22 genes and that the KA/KS nucleotide substitution ratio of the ndhA genes of A. stellari and A. hirsuta was 1.35135. The genes infA and rps16 were absent in the Arabis genus and phylogenetic evolutionary studies revealed that these genes evolved independently. However, phylogenetic analysis showed that the positions of Brassicaceae species are highly conserved. The present study provides A. stellari genomic information that may be found useful in conservation and molecular phylogenetic studies on Brassicaceae.
[Mh] Termos MeSH primário: Arabis/genética
Genoma de Cloroplastos/genética
[Mh] Termos MeSH secundário: Brassicaceae/genética
Evolução Molecular
RNA Ribossômico/genética
República da Coreia
Análise de Sequência de DNA
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (RNA, Ribosomal)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171011
[Lr] Data última revisão:
171011
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170816
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0183197


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[PMID]:27482927
[Au] Autor:Dombrowski N; Schlaeppi K; Agler MT; Hacquard S; Kemen E; Garrido-Oter R; Wunder J; Coupland G; Schulze-Lefert P
[Ad] Endereço:Department of Plant Microbe Interactions, Max Planck Institute for Plant Breeding Research, Cologne, Germany.
[Ti] Título:Root microbiota dynamics of perennial Arabis alpina are dependent on soil residence time but independent of flowering time.
[So] Source:ISME J;11(1):43-55, 2017 Jan.
[Is] ISSN:1751-7370
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Recent field and laboratory experiments with perennial Boechera stricta and annual Arabidopsis thaliana suggest that the root microbiota influences flowering time. Here we examined in long-term time-course experiments the bacterial root microbiota of the arctic-alpine perennial Arabis alpina in natural and controlled environments by 16S rRNA gene profiling. We identified soil type and residence time of plants in soil as major determinants explaining up to 15% of root microbiota variation, whereas environmental conditions and host genotype explain maximally 11% of variation. When grown in the same soil, the root microbiota composition of perennial A. alpina is largely similar to those of its annual relatives A. thaliana and Cardamine hirsuta. Non-flowering wild-type A. alpina and flowering pep1 mutant plants assemble an essentially indistinguishable root microbiota, thereby uncoupling flowering time from plant residence time-dependent microbiota changes. This reveals the robustness of the root microbiota against the onset and perpetual flowering of A. alpina. Together with previous studies, this implies a model in which parts of the root microbiota modulate flowering time, whereas, after microbiota acquisition during vegetative growth, the established root-associated bacterial assemblage is structurally robust to perturbations caused by flowering and drastic changes in plant stature.
[Mh] Termos MeSH primário: Arabis/microbiologia
Bactérias/isolamento & purificação
Flores/crescimento & desenvolvimento
Microbiota
Raízes de Plantas/microbiologia
[Mh] Termos MeSH secundário: Arabis/crescimento & desenvolvimento
Regiões Árticas
Bactérias/classificação
Bactérias/genética
Genótipo
Solo/química
Microbiologia do Solo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Soil)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:171116
[Lr] Data última revisão:
171116
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160803
[St] Status:MEDLINE
[do] DOI:10.1038/ismej.2016.109


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[PMID]:27273885
[Au] Autor:Schmid M; Csencsics D; Gugerli F
[Ad] Endereço:WSL Swiss Federal Research Institute, Zürcherstrasse 111, Birmensdorf, CH-8903, Switzerland.
[Ti] Título:Repetitive flanking sequences challenge microsatellite marker development: a case study in the lepidopteran Melanargia galathea.
[So] Source:Mol Ecol Resour;16(6):1499-1507, 2016 Nov.
[Is] ISSN:1755-0998
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Microsatellite DNA families (MDF) are stretches of DNA that share similar or identical sequences beside nuclear simple-sequence repeat (nSSR) motifs, potentially causing problems during nSSR marker development. Primers positioned within MDFs can bind several times within the genome and might result in multiple banding patterns. It is therefore common practice to exclude MDF loci in the course of marker development. Here, we propose an approach to deal with multiple primer-binding sites by purposefully positioning primers within the detected repetitive element. We developed a new protocol to determine the family type and the primer position in relation to MDFs using the software packages repark and repeatmasker together with an in-house R script. We re-evaluated newly developed nSSR markers for the lepidopteran Marbled White (Melanargia galathea) and explored the implications of our results with regard to published data sets of the butterfly Euphydryas aurinia, the grasshopper Stethophyma grossum, the conifer Pinus cembra and the crucifer Arabis alpina. For M. galathea, we show that it is not only possible to develop reliable nSSR markers for MDF loci, but even to benefit from their presence in some cases: We used one unlabelled primer, successfully binding within an MDF, for two different loci in a multiplex PCR, combining this family primer with uniquely binding and fluorescently labelled primers outside of MDFs, respectively. As MDFs are abundant in many taxa, we propose to consider these during nSSR marker development in taxa concerned. Our new approach might help in reducing the number of tested primers during nSSR marker development.
[Mh] Termos MeSH primário: Técnicas de Genotipagem/métodos
Repetições de Microssatélites
Biologia Molecular/métodos
Sequências Repetitivas de Ácido Nucleico
[Mh] Termos MeSH secundário: Animais
Arabis/classificação
Arabis/genética
Sítios de Ligação
Borboletas/classificação
Borboletas/genética
DNA/genética
DNA/metabolismo
Primers do DNA/genética
Primers do DNA/metabolismo
Gafanhotos/classificação
Gafanhotos/genética
Pinus/classificação
Pinus/genética
[Pt] Tipo de publicação:EVALUATION STUDIES; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA Primers); 9007-49-2 (DNA)
[Em] Mês de entrada:1704
[Cu] Atualização por classe:170403
[Lr] Data última revisão:
170403
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160609
[St] Status:MEDLINE
[do] DOI:10.1111/1755-0998.12547


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[PMID]:26782026
[Au] Autor:Tang T; Liu P; Zheng G; Li W
[Ad] Endereço:Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; University of Chinese Academy of Sciences, Beijing 100039, China.
[Ti] Título:Two phases of response to long-term moderate heat: Variation in thermotolerance between Arabidopsis thaliana and its relative Arabis paniculata.
[So] Source:Phytochemistry;122:81-90, 2016 Feb.
[Is] ISSN:1873-3700
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Long-term moderate heat is often experienced by plants and will become even more common in the future due to global warming. However, the responses of plants to this stress have not been characterised. In the present study, growth between Arabidopsis thaliana and its relative Arabis paniculata upon long-term exposure to moderate heat was compared. It was found that the latter was more tolerant than the former, and the patterns of physiological and biochemical responses of both plants presented two phases. The early phase involved no significant visible morphological and physiological changes. It occurred during the first third of the heat treatment and was extended when the stress was attenuated. During the later phase, the plants died or were damaged. Heat shock proteins were dramatically induced at the early phase and gradually decreased at the later phase in A. thaliana. By contrast, the levels were induced and maintained in A. paniculata. Profiling of membrane lipids found that the two plants exhibited opposite patterns of lipid remodelling at the early phase: A. paniculata synthesised phosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine and phosphatidylinositol and showed a rapid decrease in the degree of lipid unsaturation, while A. thaliana degraded its lipids at the early phase and showed an accelerated degradation at the later phase. These biochemical adjustments during the early phase could favor the thermotolerance of A. paniculata. These results suggest that this species could thus be a model for the study of resistance to long-term moderate heat, through a strategy by which plants can adapt to long-term moderate heat.
[Mh] Termos MeSH primário: Arabidopsis/metabolismo
Arabis/metabolismo
Proteínas de Choque Térmico/metabolismo
[Mh] Termos MeSH secundário: Temperatura Alta
Metabolismo dos Lipídeos/fisiologia
Estrutura Molecular
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, N.I.H., EXTRAMURAL
[Nm] Nome de substância:
0 (Heat-Shock Proteins)
[Em] Mês de entrada:1609
[Cu] Atualização por classe:170728
[Lr] Data última revisão:
170728
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160120
[St] Status:MEDLINE


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[PMID]:26197547
[Au] Autor:Blazevic I; Montaut S; De Nicola GR; Rollin P
[Ti] Título:Long-chain Glucosinolates from Arabis turrita: Enzymatic and Non-enzymatic Degradations.
[So] Source:Nat Prod Commun;10(6):1043-6, 2015 Jun.
[Is] ISSN:1934-578X
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:C8-C10 methylsulfinylalkyl glucosinolates (GLs), and C8-C10 methylsulfonylalkyl GLs were identified in the seed of Arabis turrita L. by HPLC-MS/ESI analysis of intact GLs. Enzymatic (with myrosinase) and non-enzymatic (thermal at 100 degrees C, and chemical at different pH) hydrolyses were performed and the volatile isolates were analyzed by GC-MS. Only the enzymatic and chemical (pH 10) degradations produced volatiles which are originating from GL degradation. GC-MS analysis showed the presence of long-chain olefinic isothiocyanates (ITCs) along with other the long-chain thiofunctionalized GL breakdown products.
[Mh] Termos MeSH primário: Arabis/química
Glucosinolatos/química
Glicosídeo Hidrolases/química
Extratos Vegetais/química
[Mh] Termos MeSH secundário: Biocatálise
Temperatura Alta
Concentração de Íons de Hidrogênio
Hidrólise
Sementes/química
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Glucosinolates); 0 (Plant Extracts); EC 3.2.1.- (Glycoside Hydrolases); EC 3.2.1.147 (thioglucosidase)
[Em] Mês de entrada:1508
[Cu] Atualização por classe:150722
[Lr] Data última revisão:
150722
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:150723
[St] Status:MEDLINE


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[PMID]:26039362
[Au] Autor:Tedder A; Carleial S; Golebiewska M; Kappel C; Shimizu KK; Stift M
[Ad] Endereço:Institute of Evolutionary Biology and Environmental studies, University of Zurich, Zurich, Switzerland.
[Ti] Título:Evolution of the Selfing Syndrome in Arabis alpina (Brassicaceae).
[So] Source:PLoS One;10(6):e0126618, 2015.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:INTRODUCTION: The transition from cross-fertilisation (outcrossing) to self-fertilisation (selfing) frequently coincides with changes towards a floral morphology that optimises self-pollination, the selfing syndrome. Population genetic studies have reported the existence of both outcrossing and selfing populations in Arabis alpina (Brassicaceae), which is an emerging model species for studying the molecular basis of perenniality and local adaptation. It is unknown whether its selfing populations have evolved a selfing syndrome. METHODS: Using macro-photography, microscopy and automated cell counting, we compared floral syndromes (size, herkogamy, pollen and ovule numbers) between three outcrossing populations from the Apuan Alps and three selfing populations from the Western and Central Alps (Maritime Alps and Dolomites). In addition, we genotyped the plants for 12 microsatellite loci to confirm previous measures of diversity and inbreeding coefficients based on allozymes, and performed Bayesian clustering. RESULTS AND DISCUSSION: Plants from the three selfing populations had markedly smaller flowers, less herkogamy and lower pollen production than plants from the three outcrossing populations, whereas pistil length and ovule number have remained constant. Compared to allozymes, microsatellite variation was higher, but revealed similar patterns of low diversity and high Fis in selfing populations. Bayesian clustering revealed two clusters. The first cluster contained the three outcrossing populations from the Apuan Alps, the second contained the three selfing populations from the Maritime Alps and Dolomites. CONCLUSION: We conclude that in comparison to three outcrossing populations, three populations with high selfing rates are characterised by a flower morphology that is closer to the selfing syndrome. The presence of outcrossing and selfing floral syndromes within a single species will facilitate unravelling the genetic basis of the selfing syndrome, and addressing which selective forces drive its evolution.
[Mh] Termos MeSH primário: Arabis/fisiologia
Evolução Biológica
Folhas de Planta/fisiologia
Pólen/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Em] Mês de entrada:1602
[Cu] Atualização por classe:170220
[Lr] Data última revisão:
170220
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:150604
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0126618


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[PMID]:25802093
[Au] Autor:Ågren JA; Wright SI
[Ad] Endereço:Department of Ecology and Evolutionary Biology, University of Toronto, 25 Willcocks Street, Toronto, ON, Canada M5S 3B2. Electronic address: arvid.agren@utoronto.ca.
[Ti] Título:Selfish genetic elements and plant genome size evolution.
[So] Source:Trends Plant Sci;20(4):195-6, 2015 Apr.
[Is] ISSN:1878-4372
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Plants have contributed extensively to our understanding of selfish genetic elements. Most recently, the sequencing of the Arabis alpina genome shows how the co-evolutionary arms race between transposable elements and the silencing machinery employed to control them may drive the evolution of genome size.
[Mh] Termos MeSH primário: Arabis/genética
Elementos de DNA Transponíveis
Evolução Molecular
Tamanho do Genoma
Genoma de Planta
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA Transposable Elements)
[Em] Mês de entrada:1512
[Cu] Atualização por classe:150407
[Lr] Data última revisão:
150407
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:150325
[St] Status:MEDLINE


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[PMID]:25422098
[Au] Autor:Toräng P; Wunder J; Obeso JR; Herzog M; Coupland G; Ågren J
[Ad] Endereço:Department of Plant Ecology and Evolution, EBC, Uppsala University, Norbyvägen 18D, SE-752 36, Uppsala, Sweden.
[Ti] Título:Large-scale adaptive differentiation in the alpine perennial herb Arabis alpina.
[So] Source:New Phytol;206(1):459-70, 2015 Apr.
[Is] ISSN:1469-8137
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Information about the incidence and magnitude of local adaptation can help to predict the response of natural populations to a changing environment, and should be of particular interest in arctic and alpine environments where the effects of climate change are expected to be severe. To quantify adaptive differentiation in the arctic-alpine perennial herb Arabis alpina, we conducted reciprocal transplant experiments for 3 yr between Spanish and Scandinavian populations. At the sites of one Spanish and one Scandinavian population, we planted seedlings representing two Spanish and four Scandinavian populations, and recorded survival, flowering propensity and fecundity. The experiment was replicated in two subsequent years. The results demonstrate strong adaptive differentiation between A. alpina populations from the two regions. At the field site in Spain, survival and fruit production of Spanish populations were higher than those of Scandinavian populations, while the opposite was true at the site in Scandinavia, and these differences were consistent across years. By comparison, fitness varied little among populations from the same region. The results suggest that the magnitude and geographical scale of local adaptation need to be considered in predictions of the effects of global change on the dynamics of arctic and alpine plant populations.
[Mh] Termos MeSH primário: Adaptação Fisiológica
Arabis/fisiologia
[Mh] Termos MeSH secundário: Regiões Árticas
Mudança Climática
Meio Ambiente
Geografia
Reprodução
Países Escandinavos e Nórdicos
Espanha
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Em] Mês de entrada:1602
[Cu] Atualização por classe:150225
[Lr] Data última revisão:
150225
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:141126
[St] Status:MEDLINE
[do] DOI:10.1111/nph.13176


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[PMID]:25371506
[Au] Autor:Wingler A; Juvany M; Cuthbert C; Munné-Bosch S
[Ad] Endereço:Genetics, Evolution and Environment, University College London, Gower Street, London WC1E 6BT, United Kingdom a.wingler@ucl.ac.uk.
[Ti] Título:Adaptation to altitude affects the senescence response to chilling in the perennial plant Arabis alpina.
[So] Source:J Exp Bot;66(1):355-67, 2015 Jan.
[Is] ISSN:1460-2431
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:In annual plants with determinate growth, sugar accumulation signals high carbon availability once growth has ceased, resulting in senescence-dependent nutrient recycling to the seeds. However, this senescence-inducing effect of sugars is abolished at cold temperature, where sugar accumulation is important for protection. Here, natural variation was exploited to analyse the effect of chilling on interactions between leaf senescence, sugars, and phytohormones in Arabis alpina, a perennial plant with indeterminate growth. Eight accessions of A. alpina originating from between 2090 and 3090 m above sea level in the French Alps were used to identify heritable adaptations in senescence, stress response, sugars, and phytohormones to altitude. Accessions from high altitudes showed an enhanced capacity for sucrose accumulation and a diminished loss of chlorophyll in response to chilling. At warm temperature, sucrose content was negatively correlated with chlorophyll content, and sucrose treatment induced leaf senescence. Chilling resulted in lower indole-3-acetic acid, but higher zeatin and jasmonic acid contents. Interactions between sugar and phytohormones included a positive correlation between sucrose and jasmonic acid contents that may be involved in promoting the stress-dependent decline in chlorophyll. These findings reveal regulatory interactions that underlie adaptation in the senescence and stress response to chilling.
[Mh] Termos MeSH primário: Arabis/fisiologia
Metabolismo dos Carboidratos
Temperatura Baixa
Reguladores de Crescimento de Planta/metabolismo
[Mh] Termos MeSH secundário: Aclimatação
Altitude
Arabis/crescimento & desenvolvimento
França
Folhas de Planta/crescimento & desenvolvimento
Folhas de Planta/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Plant Growth Regulators)
[Em] Mês de entrada:1602
[Cu] Atualização por classe:170220
[Lr] Data última revisão:
170220
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:141106
[St] Status:MEDLINE
[do] DOI:10.1093/jxb/eru426


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[PMID]:24406039
[Au] Autor:Chopra D; Wolff H; Span J; Schellmann S; Coupland G; Albani MC; Schrader A; Hülskamp M
[Ti] Título:Analysis of TTG1 function in Arabis alpina.
[So] Source:BMC Plant Biol;14:16, 2014 Jan 10.
[Is] ISSN:1471-2229
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: In Arabidopsis thaliana (A. thaliana) the WD40 protein TRANSPARENT TESTA GLABRA1 (TTG1) controls five traits relevant for the adaptation of plants to environmental changes including the production of proanthocyanidin, anthocyanidin, seed coat mucilage, trichomes and root hairs. The analysis of different Brassicaceae species suggests that the function of TTG1 is conserved within the family. RESULTS: In this work, we studied the function of TTG1 in Arabis alpina (A. alpina). A comparison of wild type and two Aattg1 alleles revealed that AaTTG1 is involved in the regulation of all five traits. A detailed analysis of the five traits showed striking phenotypic differences between A. alpina and A. thaliana such that trichome formation occurs also at later stages of leaf development and that root hairs form at non-root hair positions. CONCLUSIONS: The evolutionary conservation of the regulation of the five traits by TTG1 on the one hand and the striking phenotypic differences make A. alpina a very interesting genetic model system to study the evolution of TTG1-dependent gene regulatory networks at a functional level.
[Mh] Termos MeSH primário: Arabis/metabolismo
Proteínas de Plantas/metabolismo
[Mh] Termos MeSH secundário: Arabis/genética
Regulação da Expressão Gênica de Plantas/genética
Regulação da Expressão Gênica de Plantas/fisiologia
Proteínas de Plantas/genética
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Plant Proteins)
[Em] Mês de entrada:1409
[Cu] Atualização por classe:170220
[Lr] Data última revisão:
170220
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:140111
[St] Status:MEDLINE
[do] DOI:10.1186/1471-2229-14-16



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