Abstract：
:Vascular plants, unlike bryophytes, have a strong root-shoot dichotomy in which the tissue systems are mutually interdependent; roots are completely dependent on shoots for photosynthetic sugars, and shoots are completely dependent on roots for water and mineral nutrients. Long-distance communication between shoot and root is therefore critical for the growth, development and survival of vascular plants, especially with regard to variable environmental conditions. However, this long-distance signalling does not appear an ancestral feature of land plants, and has likely arisen in vascular plants to service the radical alterations in body-plan seen in this taxon. In this review, we examine the defined hormonal root-to-shoot and shoot-to-root signalling pathways that coordinate the growth of vascular plants, with a particular view to understanding how these pathways may have evolved. We highlight the completely divergent roles of isopentenyl-adenine and trans-zeatin cytokinin species in long-distance signalling, and ask whether cytokinin can really be considered as a single class of hormones in the light of recent research. We also discuss the puzzlingly sparse evidence for auxin as a shoot-to-root signal, the evolutionary re-purposing of strigolactones and gibberellins as hormonal signals, and speculate on the possible role of sugars as long-distance signals. We conclude by discussing the 'design principles' of long-distance signalling in vascular plants.
journal_name
Semin Cell Dev Bioljournal_title
Seminars in cell & developmental biologyauthors
Wheeldon CD,Bennett Tdoi
10.1016/j.semcdb.2020.06.011subject
Has Abstractpub_date
2020-06-20 00:00:00eissn
1084-9521issn
1096-3634pii
S1084-9521(20)30012-4pub_type
杂志文章,评审abstract：:Viruses have evolved strategies to evade immunity mediated by antibody and complement. Herpesviruses and coronaviruses encode IgG Fc binding proteins that inhibit IgG activity, enabling the virus or infected cell to escape antibody attack. Herpesviruses, vaccinia virus and HIV-1 have the capacity to interfere with com...
journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
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journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
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journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
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journal_title：Seminars in cell & developmental biology
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abstract：:MicroRNAs (miRNAs) have emerged as an essential regulatory component in plants. Many of the known miRNAs are evolutionarily conserved across diverse plant species and function in the regulatory control of fundamentally important biological processes such as developmental timing, patterning, and response to environment...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
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abstract：:Hypoxia-inducible factors (HIFs) are oxygen-sensitive transcription factors that allow adaptation to hypoxic environments. HIFs function in the cellular response to stress: metabolic, hypoxic, or inflammatory. Metabolic changes occur during tumorigenesis that are, in part, under hypoxia and HIF regulation. Additionall...
journal_title：Seminars in cell & developmental biology
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abstract：:Plant oils represent an energy-rich and carbon-dense group of hydrophobic compounds. These oils are not only of economic interest, but also play important, fundamental roles in plant and algal growth and development. The subcellular storage compartments of plant lipids, referred to as lipid droplets (LDs), have long b...
journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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abstract：:The Endosomal Sorting Complex Required for Transport (ESCRT) proteins form an evolutionarily conserved membrane remodelling machinery. Identified originally for their role in cargo sorting and remodelling of endosomal membranes during yeast vacuolar sorting, an extensive body of work now implicates a sub-complex of th...
journal_title：Seminars in cell & developmental biology
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更新日期：2018-02-01 00:00:00
abstract：:The Nonsense-mediated mRNA Decay (NMD) pathway is an RNA quality control pathway conserved among eukaryotic cells. While historically thought to predominantly recognize transcripts with premature termination codons, it is now known that the NMD pathway plays a variety of roles, from homeostatic events to control of vi...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
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更新日期：2020-06-15 00:00:00
