distal antenna and distal antenna-related function in the retinal determination network during eye development in Drosophila
نویسندگان
چکیده
منابع مشابه
Distal antenna and distal antenna related encode nuclear proteins containing pipsqueak motifs involved in antenna development in Drosophila.
Legs and antennae are considered to be homologous appendages. The fundamental patterning mechanisms that organize spatial pattern are conserved, yet appendages with very different morphology develop. A genetic hierarchy for specification of antennal identity has been partly elucidated. We report identification of a novel family of genes with roles in antennal development. The distal antenna (da...
متن کاملThe pipsqueak-domain proteins Distal antenna and Distal antenna-related restrict Hunchback neuroblast expression and early-born neuronal identity.
A fundamental question in brain development is how precursor cells generate a diverse group of neural progeny in an ordered manner. Drosophila neuroblasts sequentially express the transcription factors Hunchback (Hb), Krüppel (Kr), Pdm1/Pdm2 (Pdm) and Castor (Cas). Hb is necessary and sufficient to specify early-born temporal identity and, thus, Hb downregulation is essential for specification ...
متن کاملDROSOPHILA DISTAL-LESS Distal-less function
Distal-less function Distal-less (Dll), as its name suggests, is required for distal limb development. Drosophila mutants lacking Dll function die as embryos because they lack the rudimentary larval limbs (Cohen and Jurgens, 1989). Viable combinations of Dll alleles of increasing severity can be used to generate a phenotypic series in which weak allelic combinations lead to fusions of the dista...
متن کاملDrosophila antenna development
The adult fruit fly antenna consists of six segments. From proximal to distal, these are called a1, a2, a3, a4, a5 and arista (a6; Fig. 1A). The different segments of the antenna serve distinct sets of functions including hygrosensation (arista), thermosensation (a3), olfaction (a3), and audition (arista and a2) (Carlson, 1996; Eberl, 1999; Goepfert and Robert, 2001; Sayeed and Benzer, 1996). A...
متن کاملanalysis of power in the network society
اندیشمندان و صاحب نظران علوم اجتماعی بر این باورند که مرحله تازه ای در تاریخ جوامع بشری اغاز شده است. ویژگیهای این جامعه نو را می توان پدیده هایی از جمله اقتصاد اطلاعاتی جهانی ، هندسه متغیر شبکه ای، فرهنگ مجاز واقعی ، توسعه حیرت انگیز فناوری های دیجیتال، خدمات پیوسته و نیز فشردگی زمان و مکان برشمرد. از سوی دیگر قدرت به عنوان موضوع اصلی علم سیاست جایگاه مهمی در روابط انسانی دارد، قدرت و بازتولید...
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ژورنال
عنوان ژورنال: Developmental Biology
سال: 2007
ISSN: 0012-1606
DOI: 10.1016/j.ydbio.2007.04.006