Eukaryotes arose after genetic recombination
نویسندگان
چکیده
منابع مشابه
Regulation of homologous recombination in eukaryotes.
Homologous recombination (HR) is required for accurate chromosome segregation during the first meiotic division and constitutes a key repair and tolerance pathway for complex DNA damage, including DNA double-strand breaks, interstrand crosslinks, and DNA gaps. In addition, recombination and replication are inextricably linked, as recombination recovers stalled and broken replication forks, enab...
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Homologous recombination (HR) is an important DNA repair pathway and is essential for cellular survival. It plays a major role in repairing replication-associated lesions and is functionally connected to replication. Transcription is another cellular process, which has emerged to have a connection with HR. Transcription enhances HR, which is a ubiquitous phenomenon referred to as transcription-...
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Biochemical mutants were obtained from Micromonospora chalcea, M. purpurea, and M. echinospora by using ultraviolet radiation or nitrosoguanidine. Crosses carried out between complementary nutritional mutants of the same species showed positive genetic interaction. Data are reported which indicate that the interaction between the crossed strains is due to genetic recombination. No evidence for ...
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Meiotic recombination generates novel allelic arrays on chromosomes. Recent experiments have revealed an extraordinarily nonrandom distribution of recombination breakpoints along the lengths of plant chromosomes; for example, recombination breakpoints often resolve within genic sequences, and thereby generate novel alleles. The mechanism by which recombination breakpoints are determined is an a...
متن کاملGenetic Set Recombination
The application of genetic algorithms to optimisation problems for which the solution is a set or multiset (bag) is considered. A previous extension of schema analysis, known as forma analysis, is further developed and used to construct principled representations and operators for problems in this class. The extensions to forma analysis include the introduction of genes whose values cannot be a...
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ژورنال
عنوان ژورنال: Arhiv za onkologiju
سال: 2006
ISSN: 0354-7310,1450-9520
DOI: 10.2298/aoo0602011s