The Evolution of American Ecology, 1890–2000
The Evolution of American Ecology, 1890–2000
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美国生态学的演变，1890-2000
DOI：
10.1080/03612759.2009.10527368
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发表时间：
2009
期刊：
影响因子：
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通讯作者：
Ryan H. Edgington
中科院分区：
文献类型：
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作者：
Ryan H. Edgington
介绍了拟南芥生物学和基因操作，以及在开花时间控制中经常使用的令人困惑的术语。格洛弗定义了三种主要的途径——自主的、光周期的和春化的——它们都是促进开花的花途径整合者。在这方面，Glover在讨论开花抑制基因FLC（开花位点C）时使用非典型术语并没有给自己带来任何好处，FLC是“自主抑制”途径的一部分。这里奇怪的一点是在FLC中使用了“自治”一词。还有一种很好表征的花诱导途径，通常被简单地称为“自主”途径。这些自主基因座通过几种不同的遗传机制使花抑制因子FLC失活，从而使开花发生。这是我第一次看到FLC被称为“自主抑制剂”，我可以理解Glover的逻辑，但是，作为一种规则，FLC在文献中被讨论为春化途径的一个组成部分。人们总是可以对术语吹毛求疵，但我发现自主抑制与自主诱导的使用在两个方面是棘手的。首先，读者必须非常密切地关注在任何特定时间讨论的路径（不一定是坏事），其次，更有问题的是，当读者去原始文献并没有看到相同的用法时，它可能会导致混乱。话虽如此，拟南芥开花时间控制的复杂性使其成为最难解释清楚的主题之一。Glover很好地做到了这一点，所涵盖的数据是最新的，这将延长本书的保质期。分子遗传部分的后一部分着重于花分生组织和花器官同一性的遗传控制。这个主题是一个在许多其他文本和文献评论中已经被彻底涵盖的领域，因此很难添加太多新的内容，但格洛弗在从第一性原理解释工作方面做得很好。特别是，她全面报道了这样一个事实，即花器官身份的ABC模型中的a类成分，通常被认为对萼片的发育至关重要，实际上似乎并没有得到很好的保存。这一点在其他评论中经常被忽视，但对学生来说，尽早掌握是非常重要的。
with a useful introduction to Arabidopsis biology and genetic manipulation as well as to the often confusing terminology used in flowering time control. Glover defines three major pathways— autonomous, photoperiodic, and vernalization—which feed into the floral pathway integrators that actually promote flowering. In this regard, Glover does not do herself any favors by using atypical terminology when discussing the flowering-repressor gene FLC (FLOWERING LOCUS C), included as part of the “autonomous inhibition” pathway. The odd point here is the use of the term “autonomous” in relation to FLC. There is also a well-characterized floral induction pathway that is more commonly referred to simply as the “autonomous” pathway. These autonomous loci act through several different genetic mechanisms to deactivate the floral repressor FLC and thereby allow flowering to occur. This is the first time I have seen FLC termed an “autonomous inhibitor,” and I can understand Glover’s logic, but, as a rule, FLC is discussed in the literature as a component of the vernalization pathway. One can always quibble about terminology, but I found the use of autonomous inhibition versus autonomous induction to be tricky in two regards. First, readers have to pay very close attention to catch which pathway is being discussed at any particular time (not necessarily a bad thing), and second—and more problematically— it may lead to confusion when readers go to the primary literature and do not see the same usage. This being said, the complexities of flowering time control in Arabidopsis make it one of the hardest subjects to explain clearly. Glover has achieved that quite well, and the data covered are very up to date, which will extend the shelf life of this text. The latter part of the molecular genetic section focuses on the genetic control of floral meristem and floral organ identity. This subject is the one area that has been thoroughly covered in many other texts and literature reviews, so it is hard to add much that is new, but Glover does an excellent job of explaining the work from first principles. In particular, she gives full coverage to the fact that the A-class component of the ABC model of floral organ identity, which is often considered essential to the development of sepals, does not actually appear to be well conserved. This point often gets short shrift in other reviews, but it is very important for students to grasp as early as possible.