Cytoskeleton and Morphogenesis in Brown Algae
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چکیده
منابع مشابه
INVITED REVIEW Cytoskeleton and Morphogenesis in Brown Algae
Background Morphogenesis on a cellular level includes processes in which cytoskeleton and cell wall expansion are strongly involved. In brown algal zygotes, microtubules (MTs) and actin filaments (AFs) participate in polarity axis fixation, cell division and tip growth. Brown algal vegetative cells lack a cortical MT cytoskeleton, and are characterized by centriole-bearing centrosomes, which fu...
متن کاملBrown Algae
Brown algae, the Phaeophyceae (or Fucophyceae; Christensen, 1978), are a class (or division, Phaeophyta; Papenfuss, 1951) of algae consisting mainly of complex, macroscopic seaweeds whose brown color comes from a carotenoid pigment, fucoxanthin, and in some species, various phaeophycean tannins. Of perhaps 2000 species (in 265 genera) of brown algae (Van den Hoek et al., 1995), less than 1% are...
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(also known as array genomic comparative hybridization, or array CGH) with established diagnostic procedures including G-banded karyotype and fragile X testing. Arrays for CMA tests are widely available, but have not yet entered general practice to the extent that generally agreed standards and references exist. Applying CMA to the entire genomes of 697 ASD patients, Shen et al. detected clinic...
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Cell polarization and asymmetric cell divisions play important roles during development in many multicellular eukaryotes. Fucoid algae have a long history as models for studying early developmental processes, probably because of the ease with which zygotes can be observed and manipulated in the laboratory. This review discusses cell polarization and asymmetric cell divisions in fucoid algal zyg...
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Fertilization in the brown marine algae known as fucoids, is oogamous. The naked egg cell (80 micron diam.) is fertilized by small biflagellate spermatozoids and both monoecious and dioecious species are found. Fertilization is highly species-specific and this appears to be controlled during plasmogamy. Following fusion of egg and sperm, a rapid (less than 1 min) release of polyuronide cell wal...
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ژورنال
عنوان ژورنال: Annals of Botany
سال: 2006
ISSN: 1095-8290,0305-7364
DOI: 10.1093/aob/mcl023