Theoretical and experimental approaches to understand morphogen gradients.

Theoretical and experimental approaches to understand morphogen gradients.
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DOI:
10.1038/msb.2008.14
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发表时间:
2008
影响因子:
9.9
通讯作者:
Belmonte, Juan Carlos Izplsua
Belmonte, Juan Carlos Izplsua
中科院分区:
生物学1区
文献类型:
--
作者:
Ibanes, Marta;Belmonte, Juan Carlos Izplsua

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形态发生梯度以直接的浓度依赖性方式指定细胞的不同命运,是一个非常有影响力的框架,其中可以表征发育生物学中的模式形成过程。一种常见的分析方法是结合实验和理论策略,从而促进梯度动力学和转导的相关数据。形态发生素的运输机制和从分级信息到二进制响应的转换是这些组合策略所揭示的一些主题。在这里,我们回顾这些数据,强调,一方面,理论方法是如何有帮助的,另一方面,这些已与实验策略相结合。此外,我们还讨论了在分子和/或细胞水平上的梯度形成和梯度解释可能在相互反馈回路中相互影响的情况。为了理解这种相互作用及其产生的特征,采取结合联合收割机实验和理论策略的系统级方法变得至关重要。
Morphogen gradients, which specify different fates for cells in a direct concentration-dependent manner, are a highly influential framework in which pattern formation processes in developmental biology can be characterized. A common analysis approach is combining experimental and theoretical strategies, thereby fostering relevant data on the dynamics and transduction of gradients. The mechanisms of morphogen transport and conversion from graded information to binary responses are some of the topics on which these combined strategies have shed light. Herein, we review these data, emphasizing, on the one hand, how theoretical approaches have been helpful and, on the other hand, how these have been combined with experimental strategies. In addition, we discuss those cases in which gradient formation and gradient interpretation at the molecular and/or cellular level may influence each other within a mutual feedback loop. To understand this interplay and the features it yields, it becomes essential to take system-level approaches that combine experimental and theoretical strategies.
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