Abstract：
:Small RNAs, including microRNAs (miRNAs), small interfering RNAs (siRNAs), and trans-acting siRNAs (ta-siRNAs), mediate gene expression and epigenetic regulation. While siRNAs are highly diverged, miRNAs and ta-siRNAs are generally conserved but many are differentially expressed between related species and in interspecific hybrids and allopolyploids. On one hand, combination of diverged maternal and paternal siRNAs in the same nucleus may exert cis-acting and trans-acting effects on transposable elements (TEs) and TE-associated genes, leading to genomic instability and endosperm and embryo failures, constituting a bottleneck for the evolution of hybrids and polyploids. On the other hand, cis and trans-acting small RNAs induce quantitative and qualitative changes in epigenetic regulation, leading to morphological variation and hybrid vigor in F1 hybrids and stable allopolyploids as well as transgressive phenotypes in the progeny, increasing a potential for adaptive evolution.
journal_name
Curr Opin Plant Bioljournal_title
Current opinion in plant biologyauthors
Ng DW,Lu J,Chen ZJdoi
10.1016/j.pbi.2012.01.007subject
Has Abstractpub_date
2012-04-01 00:00:00pages
154-61issue
2eissn
1369-5266issn
1879-0356pii
S1369-5266(12)00008-8journal_volume
15pub_type
杂志文章,评审abstract：:Border cells and border-like cells are released from the root tip as individual cells and small aggregates, or as a group of attached cells. These are viable components of the root system that play a key role in controlling root interaction with living microbes of the rhizosphere. As their separation from root tip pro...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2013.06.010
更新日期：2013-08-01 00:00:00
abstract：:Polyploidy, or whole genome duplication, is recognized as an important feature of eukaryotic genome evolution. Among eukaryotes, polyploidy has probably had the largest evolutionary impact on vascular plants where many contemporary species are of recent polyploid origin. Genomic analyses have uncovered evidence of at ...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2012.03.010
更新日期：2012-04-01 00:00:00
abstract：:Transcription factors (TFs) are a group of proteins that control cellular processes by regulating the expression of downstream target genes. Recent progress has been made in the cloning and characterization of Arabidopsis TFs on the genome scale, especially on the cloning of open reading frames (ORFs), sequence analys...
journal_title：Current opinion in plant biology
pub_type： 杂志文章
doi：10.1016/j.pbi.2006.07.005
更新日期：2006-10-01 00:00:00
abstract：:SUMOylation is an essential post-translational modification that affects several cellular processes, from gene replication to stress response. Studies using the SUMO (de)conjugation machinery have provided evidence regarding its potential to improve crop performance and productivity under normal and adverse conditions...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2019.04.009
更新日期：2019-06-01 00:00:00
abstract：:Avirulence genes are originally defined by their negative impact on the ability of a pathogen to infect their host plant. Many avirulence genes are now known to represent a subset of virulence factors involved in the mediation of the host-pathogen interaction. Characterization of avirulence genes has revealed that the...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/s1369-5266(00)00082-0
更新日期：2000-08-01 00:00:00
abstract：:Chemistry assigns phosphate (Pi) dominant roles in metabolism; however, it also renders the macronutrient a genuinely limiting factor of plant productivity. Pi bioavailability is restricted by low Pi mobility in soil and antagonized by metallic toxicities, which force roots to actively seek and selectively acquire the...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2017.04.016
更新日期：2017-10-01 00:00:00
abstract：:Polyploidy, or whole-genome duplication (WGD), is a ubiquitous feature of plant genomes, contributing to variation in both genome size and gene content. Although polyploidy has occurred in all major clades of land plants, it is most frequent in angiosperms. Following a WGD in the common ancestor of all extant angiospe...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2016.03.015
更新日期：2016-04-01 00:00:00
abstract：:Residing beneath the phenotypic landscape of a plant are intricate and dynamic networks of genes and proteins. As evolution operates on phenotypes, we expect its forces to shape somehow these underlying molecular networks. In this review, we discuss progress being made to elucidate the nature of these forces and their...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2012.01.006
更新日期：2012-04-01 00:00:00
abstract：:In higher plants, one of the most striking effects of light at the cellular level is the formation of phytochrome nuclear bodies (PNBs). In Arabidopsis, two types of PNBs have been described: a transient type of PNBs (tPNBs), containing both phytochrome A and phytochrome B, observed during the dark-to-light transition...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2008.06.012
更新日期：2008-10-01 00:00:00
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journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2010.03.002
更新日期：2010-06-01 00:00:00
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journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2003.09.005
更新日期：2003-12-01 00:00:00
abstract：:Amino acids represent the major transport form of reduced nitrogen in plants. Long-distance transport of amino acids occurs in the xylem and the phloem. However, the phloem is the main transport route for bulk flow of the organic nitrogen from source leaves to sink tissues. Phloem loading in leaves of most annual plan...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2017.12.002
更新日期：2018-06-01 00:00:00
abstract：:Salicylic acid (SA) is synthesised by plants in response to challenge by a diverse range of phytopathogens and is essential to the establishment of both local and systemic-acquired resistance (SAR). SA application induces accumulation of pathogenesis-related (PR) proteins. Mutations leading to either reduced SA produc...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2007.08.008
更新日期：2007-10-01 00:00:00
abstract：:Photorespiratory limitations on C3 photosynthesis are substantial in warm, low CO2 conditions. To compensate, certain plants evolved mechanisms to actively concentrate CO2 around Rubisco using ATP-supported CO2 pumps such as C4 photosynthesis. Plants can also passively accumulate CO2 without additional ATP expenditure...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2016.03.016
更新日期：2016-06-01 00:00:00
abstract：:Although cytokinin plays a central role in plant development, our knowledge of the biosynthesis, distribution, perception and signal transduction of cytokinin is limited. Recent molecular-genetic studies have, however, implicated involvement of a two-component system in cytokinin signal transduction. Furthermore, new ...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/s1369-5266(98)80263-x
更新日期：1998-10-01 00:00:00
abstract：:Variation in grass architecture profoundly affects light capture, competition, and reproductive success, and is responsive to environmental factors such as crowding and nutrient limitation. Recent work in both model and crop systems has uncovered many aspects of the genetic control of branching, including conservation...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2006.11.015
更新日期：2007-02-01 00:00:00
abstract：:Phytopathogenic bacteria suppress plant innate immunity and promote pathogenesis by injecting proteins called type III effectors into plant cells using a type III protein secretion system. These type III effectors use at least three strategies to alter host responses. One strategy is to alter host protein turnover, ei...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2008.06.007
更新日期：2008-08-01 00:00:00
abstract：:In the past year progress has been made in the manipulation of phenylpropanoid metabolism but several studies highlight gaps in our understanding of the biochemistry of these pathways. New components involved in transcriptional regulation of phenylpropanoid genes have been identified, including transcription factors a...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/s1369-5266(98)80113-1
更新日期：1998-06-01 00:00:00
abstract：:The arbuscular mycorrhiza (AM) is a symbiosis between most terrestrial plants and fungi of the ancient phylum Glomeromycota. AM improves the uptake of water and mineral nutrients, such as phosphorus (P) and nitrogen (N), of the host plant in exchange for photosynthetically fixed carbon. Successful colonization and a f...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2009.06.001
更新日期：2009-08-01 00:00:00
abstract：:The activity of cyclin-dependent kinases (CDKs) on specific targets mediates the temporal regulation of plant cell cycle transitions. The sequential activity of CDKs and the spatial regulation of cell proliferation during plant development, however, are still poorly understood. Understanding these aspects depends on t...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/s1369-5266(98)80041-1
更新日期：1998-12-01 00:00:00
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journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2013.07.005
更新日期：2013-10-01 00:00:00
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journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/s1369-5266(02)00274-1
更新日期：2002-08-01 00:00:00
abstract：:Progress has been made toward understanding the biosynthesis and modifications of the cellulose and the hemicellulose/pectin matrix of woody cell walls (and hence wood properties) by identifying 1600 carbohydrate active enzymes (CAZYmes) in Populus, and pinpointing key candidates involved in various developmental stag...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2008.03.003
更新日期：2008-06-01 00:00:00
abstract：:The regulation of plant metabolic processes in response to environmental and developmental signals is a complex interaction between optimization of enzyme activity and transcriptional regulation of gene expression. Through painstaking efforts over more than 50 years, many metabolic pathways in plants have been charact...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/s1369-5266(03)00040-2
更新日期：2003-06-01 00:00:00
abstract：:In plants, newly synthesized fatty acids are either directly incorporated into glycerolipids in the plastid or exported and assembled into lipids at the endoplasmic reticulum (ER). ER-derived glycerolipids serve as building blocks for extraplastidic membranes. Alternatively, they can return to the plastid where their ...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2006.03.012
更新日期：2006-06-01 00:00:00
abstract：:Mitogen-activated protein kinases (MAPKs) link information transfer from external stimuli-activated sensors to cellular responses. The completed Arabidopsis genome sequence revealed an extraordinary complexity in MAPK-signalling components in plants. Information obtained from Arabidopsis provides a framework for a uni...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/s1369-5266(02)00285-6
更新日期：2002-10-01 00:00:00
abstract：:Recent studies indicate that, in a manner similar to classical plant hormones, sugars can act as signaling molecules that control gene expression and developmental processes in plants. Crucial evidence includes uncoupling glucose signaling from its metabolism, identification of glucose sensors, and isolation and chara...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/s1369-5266(99)00014-x
更新日期：1999-10-01 00:00:00
abstract：:In the last two decades, work on auxin signaling has helped to understand many aspects of the fundamental process underlying the specification of tissue types in the plant embryo. However, the immediate steps after fertilization including the polarization of the zygote and the initial body axis formation remained poor...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2019.10.002
更新日期：2020-02-01 00:00:00
abstract：:Recent findings highlight three instances in which major aspects of plant development are controlled by dosage-dependent protein levels. In the shoot apical meristem the mobile transcription factor WUS displays an intricate function with respect to target regulation that involves WUS dosage, binding site affinity and ...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2018.05.008
更新日期：2018-10-01 00:00:00
abstract：:As sessile organisms, plants need to continuously adjust their responses to external stimuli to cope with changing growth conditions. Since the seed dispersal range is often rather limited, exposure of progeny to the growth conditions of parents is very probable. The plasticity of plant phenotypes cannot be simply exp...
journal_title：Current opinion in plant biology
pub_type： 杂志文章,评审
doi：10.1016/j.pbi.2011.03.003
更新日期：2011-06-01 00:00:00
