Self and Nonself Recognition in a Marine Sponge,Halichondria japonica(Demospongiae)
نویسندگان
چکیده
منابع مشابه
Vegetative Self and Nonself Recognition in Fungi
The concepts of self and nonself have been a subject of much study and discussion in biology and philosophy. A signifi cant volume of research on the subject has answered some but also generated many more questions. What defi nes self? What mechanisms control self and nonself recognition? What is the purpose of such a recognition system? A product of the post-World War II early immunology movem...
متن کاملEvolution and Diversity of a Fungal Self/Nonself Recognition Locus
BACKGROUND Self/nonself discrimination is an essential feature for pathogen recognition and graft rejection and is a ubiquitous phenomenon in many organisms. Filamentous fungi, such as Neurospora crassa, provide a model for analyses of population genetics/evolution of self/nonself recognition loci due to their haploid nature, small genomes and excellent genetic/genomic resources. In N. crassa, ...
متن کاملSelf/Nonself Recognition in Fungi: Old Mysteries and Simple Solutions
to generate new alleles by meiotic recombination have failed (Puhalla, 1970). Genetic studies had revealed that Institut fü r Genetik und Mikrobiologie der Universitä t Mü nchen Maria-Ward-Str. 1a the b locus is the master control locus for pathogenicity and that the combination of two different b alleles in the 80638 Mü nchen, Germany same cell is absolutely required for the parasitic stage (s...
متن کاملFrom Self to Nonself: The Nonself Theory
The maintenance/strength of self is a very core concept in Western psychology and is particularly relevant to egoism, a process that draws on the hedonic principle in pursuit of desires. Contrary to this and based on Buddhism, a nonself-cultivating process aims to minimize or extinguish the self and avoid desires, leading to egolessness or selflessness. The purpose of this paper is to present t...
متن کاملa comparative study of the relationship between self-, peer-, and teacher-assessments in productive skills
تمایل به ارزیابی جایگزین و تعویض آن با آزمون سنتی مداد و کاغذ در سالهای اخیر افزایش یافته است. اکثر زبان آموزان در کلاس های زبان از نمره نهایی که استاد تعیین میکند ناراضی اند. این تحقیق جهت بررسی ارزیابی در کلاس های زبان انگلیسی به هدف رضایتمندی زبان آموزان از نمره هایشان انجام گرفته است که در آن نمرات ارائه شده توسط سه گروه ارزیاب (ارزیابی خود دانشجو، همسالان واستاد) در مهارت های تولید (تکل...
15 صفحه اولذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Zoological Science
سال: 2013
ISSN: 0289-0003
DOI: 10.2108/zsj.30.651