Abstract：
:Conrad Waddington published an influential model for evolution in his 1942 paper, Canalization of Development and Inheritance of Acquired Characters. In this classic, albeit controversial, paper, he proposed that an unknown mechanism exists that conceals phenotypic variation until the organism is stressed. Recent studies have proposed that the highly conserved chaperone Hsp90 could function as a "capacitor," or an "adaptively inducible canalizer," that masks silent phenotypic variation of either genetic or epigenetic origin. This review will discuss evidence for, and arguments against, the role of Hsp90 as a capacitor for morphological evolution, and as a key component of what we call "Waddington's widget."
journal_name
Semin Cell Dev Bioljournal_title
Seminars in cell & developmental biologyauthors
Ruden DM,Garfinkel MD,Sollars VE,Lu Xdoi
10.1016/j.semcdb.2003.09.024subject
Has Abstractpub_date
2003-10-01 00:00:00pages
301-10issue
5eissn
1084-9521issn
1096-3634pii
S1084-9521(03)00086-7journal_volume
14pub_type
历史文章,杂志文章abstract：:A system of endoplasmic reticulum (ER) chaperones has evolved to optimize the output of properly folded secretory and membrane proteins. An important player in this network is Glucose Regulated Protein 94 (GRP94). Over the last decade, new structural and functional data have begun to delineate the unique characteristi...
journal_title：Seminars in cell & developmental biology
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abstract：:Ontogenetic series of extinct taxa are extremely rare and when preserved often incomplete and difficult to interpret. However, the fossil record of amphibians includes a number of well-preserved ontogenetic sequences for temnospondyl and lepospondyl taxa, which have provided valuable information about the development ...
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
doi：10.1016/j.semcdb.2005.11.009
更新日期：2006-02-01 00:00:00
abstract：:The tight control of reactive oxygen species (ROS) levels is required during regeneration. H2O2 in particular assumes clear signalling functions at different steps in this process. Injured nerves induce high levels of H2O2 through the activation of the Hedgehog (Shh) pathway, providing an environment that promotes cel...
journal_title：Seminars in cell & developmental biology
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abstract：:Paramutation was initially described in maize and was defined as an epigenetic interaction between two alleles of a locus, through which one allele induces a heritable modification of the other allele without modifying the DNA sequence [1,2]. Thus it implies that the paramutated allele conserves its new properties on ...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2015.08.009
更新日期：2015-08-01 00:00:00
abstract：:The glyoxalase system consists of glyoxalase I and glyoxalase II. Glyoxalase I catalyzes the conversion of methylglyoxal (CH(3)COCHO), a metabolite derived from glycolysis, with glutathione to S-D-lactoylglutathione, while glyoxalase II hydrolyses this glutathione thiolester to D-lactic acid and glutathione. Since met...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
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abstract：:Regulators of G-protein signalling (RGS) proteins are a large and diverse family initially identified as GTPase activating proteins (GAPs) of heterotrimeric G-protein Galpha-subunits. At least some can also influence Galpha activity through either effector antagonism or by acting as guanine nucleotide dissociation inh...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2006.03.005
更新日期：2006-06-01 00:00:00
abstract：:X inactivation, a developmental process that takes place in early stages of mammalian embryogenesis, balances the sex difference in dosage of X-linked genes. Although all mammals use this form of dosage compensation, the details differ from one species to another because of variations in the staging of embryogenesis a...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2016.01.024
更新日期：2016-08-01 00:00:00
abstract：:The TGF-β ligand superfamily contains at least 40 members, many of which are produced and act within the mammalian testis to facilitate formation of sperm. Their progressive expression at key stages and in specific cell types determines the fertility of adult males, influencing testis development and controlling germl...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2015.10.029
更新日期：2015-09-01 00:00:00
abstract：:Cells maintain a cholesterol gradient across the secretory system, with the lowest concentrations in the endoplasmic reticulum (ER) and the highest in the plasma membrane (PM). Cholesterol is also heterogeneously distributed in the endocytic pathway. Little is known about how this heterogeneous distribution of cholest...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
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更新日期：2002-06-01 00:00:00
abstract：:Autophagy is an essential and conserved cellular degradation pathway in eukaryotes. In metazoans, autophagy is highly engaged during the immune responses through interfacing either directly with intracellular pathogens or indirectly with immune signaling molecules. Recent studies have demonstrated that autophagy plays...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2019.07.001
更新日期：2020-05-01 00:00:00
abstract：:Additional copies of genes resulting from two whole genome duplications at the base of the vertebrates have been suggested as enabling the evolution of vertebrate-specific structures such as neural crest, a midbrain/hindbrain organizer and neurogenic placodes. These structures, however, did not evolve entirely de novo...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2012.12.007
更新日期：2013-02-01 00:00:00
abstract：:Autophagy, a conserved self-eating process for the bulk degradation of cytoplasmic materials, involves double-membrane autophagosomes formed when an isolation membrane emerges and their direct fusion with lysosomes for degradation. For the early biogenesis of autophagosomes and their later degradation in lysosomes, me...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2016.07.009
更新日期：2016-12-01 00:00:00
abstract：:By the development of information theory in 1948 by Claude Shannon to address the problems in the field of data storage and data communication over (noisy) communication channel, it has been successfully applied in many other research areas such as bioinformatics and systems biology. In this manuscript, we attempt to ...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2015.12.006
更新日期：2016-03-01 00:00:00
abstract：:The identification of extensive genetic heterogeneity in human breast carcinomas poses a significant challenge for designing effective treatment regimens. Significant genomic evolution often occurs during breast cancer progression, creating variability within primary tumors as well as between the primary carcinoma and...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2016.08.025
更新日期：2017-04-01 00:00:00
abstract：:Gap junctions and hemichannels comprised of connexins influence epidermal proliferation and differentiation. Significant advances in our understanding of the functional role of connexins in the skin have been made by studying the diseases caused by connexin mutations. Eleven clinically defined cutaneous disorders with...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2015.11.018
更新日期：2016-02-01 00:00:00
abstract：:It is now well established that the environment to which we are exposed during fetal and neonatal life can have a long-term impact on our health. This has been termed the developmental origins of health and disease. Factors known to have such programming effects include intrauterine nutrient availability (determined b...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2015.06.006
更新日期：2015-07-01 00:00:00
abstract：:The use of the adapted models to decipher patho-physiological mechanisms of human diseases is always a great challenge. This is of particular importance for early-onset myopathies, in which pathological mutations often impact not only on muscle structure and function but also on developmental processes. Mice are curre...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
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更新日期：2017-04-01 00:00:00
abstract：:Caspases are cysteine proteases that play important and well-defined roles in apoptosis and inflammation. Increasing evidence point to alternative functions of caspases where restricted and localized caspase activation within neurons allows for a variety of non-apoptotic and non-inflammatory processes required for bra...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
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更新日期：2018-10-01 00:00:00
abstract：:A number of proteins produced by certain bacteria and plants are potently toxic to mammalian cells. This toxicity results from their ability to catalytically modify macromolecules that are required for essential cellular functions such as vesicular trafficking, cytoskeletal assembly, signalling or protein synthesis. T...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2004.03.005
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abstract：:The first lineage segregation event in mouse embryos produces two separate cell populations: inner cell mass and trophectoderm. This is understood to be brought about by cells sensing their position within the embryo and differentiating accordingly. The cellular and molecular underpinnings of this process remain under...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2015.09.006
更新日期：2015-12-01 00:00:00
abstract：:The localisation of transcripts to specific regions of the cell probably occurs in all cell types and has many distinct functions that go from the control of body axis formation to learning and memory. mRNAs can be localised by a variety of mechanisms including local protection from degradation, diffusion to a localis...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
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更新日期：2007-04-01 00:00:00
abstract：:Neural stem cells (NSCs) are subscribed extraordinary potential in repair of the damaged nervous system. However, the molecular identity of NSCs has not been established. Most NSC cultures contain large numbers of multipotent, bipotent, and lineage restricted neural progenitors, the majority of which appear to lose ne...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/s1084-9521(03)00007-7
更新日期：2003-06-01 00:00:00
abstract：:The urinary collecting system is derived from an epithelial protrusion arising from the Wolffian duct called the ureteric bud (UB) by the signal from its inductive tissue, metanephric mesenchyme (MM). Targeted gene mutation studies have shown that several transcription factors and MM-secreted glial cell line-derived n...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
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更新日期：2003-08-01 00:00:00
abstract：:APOBEC1 is a cytidine deaminase that edits messenger RNAs and was the first enzyme in the APOBEC family to be functionally characterized. Under appropriate conditions APOBEC1 also deaminates deoxycytidine in single-stranded DNA (ssDNA). The other ten members of the APOBEC family have not been fully characterized howev...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2011.10.004
更新日期：2012-05-01 00:00:00
abstract：:Motor neurons differentiate from progenitor cells and cluster as motor nuclei, settling next to the floor plate in the brain stem and spinal cord. Although precise positioning of motor neurons is critical for their functional input and output, the molecular mechanisms that guide motor neurons to their proper positions...
journal_title：Seminars in cell & developmental biology
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doi：10.1016/j.semcdb.2017.11.016
更新日期：2019-01-01 00:00:00
abstract：:Mature skeletal muscle forms from the fusion of skeletal muscle precursor cells, myoblasts. Myoblasts fuse to other myoblasts to generate multinucleate myotubes during myogenesis, and myoblasts also fuse to other myotubes during muscle growth and repair. Proteins within myoblasts and myotubes regulate complex processe...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2015.10.026
更新日期：2015-09-01 00:00:00
abstract：:Formation and maturation of a functional vascular network is a process called angiogenesis. This is a crucial biological event in all vertebrates. Precise morphogenetic and cellular mechanisms act in endothelial cells (ECs) to drive angiogenesis during growth and throughout adulthood. Reactive oxygen species (ROS) and...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2017.08.002
更新日期：2018-08-01 00:00:00
abstract：:Precise control of neural progenitor transformation into neural crest stem cells ensures proper craniofacial and head development. In the neural progenitor pool, SoxB factors play an essential role as cell fate determinants of neural development, whereas during neural crest stem cell formation, Sox2 plays a predominan...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1016/j.semcdb.2016.08.035
更新日期：2017-03-01 00:00:00
abstract：:Newly synthesized polypeptide chains must fold and assemble into unique three-dimensional structures in order to become functionally active. In many cases productive folding depends on assistance from molecular chaperones, which act in preventing off-pathway reactions during folding that lead to aggregation. The inher...
journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
doi：10.1006/scdb.1999.0347
更新日期：2000-02-01 00:00:00
