نتایج جستجو برای: the vegetative form
تعداد نتایج: 16083117 فیلتر نتایج به سال:
In many organisms, telomeres cluster to form a bouquet arrangement of chromosomes during meiotic prophase. Previously, we reported that two meiotic proteins, Bqt1 and -2, are required for tethering telomeres to the spindle pole body (SPB) during meiotic prophase in fission yeast. This study has further identified two novel, ubiquitously expressed inner nuclear membrane (INM) proteins, Bqt3 and ...
The historic developmental hourglass concept depicts the convergence of animal embryos to a common form during the phylotypic period. Recently, it has been shown that a transcriptomic hourglass is associated with this morphological pattern, consistent with the idea of underlying selective constraints due to intense molecular interactions during body plan establishment. Although plants do not ex...
Background : Summer savory is an annual grass plant, with a branched stem with the length of 10 to 30 cm that is distinguishable from the similar species due to having grayish green appearance and its leaves are narrow and long. In recent years, the anti-viral, anti-inflammatory, antibacterial, antifungal, antispasmodic, stomach invigorator and digestion facilitator characteristics of this spec...
In shallow rainfed rice agro-ecosystems, drought stress can occur at any growth stage and can cause a significant yield reduction. During recent years, some rice varieties possessing tolerance of reproductive-stage drought stress have recently been developed. Tolerance of vegetative-stage drought stress is also required to improve rice productivity in drought-prone regions. In this study, we ev...
Vegetative cells of Myxococcus xanthus (strain FB) were induced to form myxospores by the glycerol induction technique. Several structural changes took place in the peptidoglycan during myxospore formation. The percent of the peptidoglycan comprised of monomer (disaccharide peptide) decreased from about 20% to approximately 7%. The proportion of the total diaminopimelic acid possessing a free a...
Nymphaea has seven species already catalogued in the flood prone areas of the Brazilian Pantanal. However, some species remain difficult to identify and descriptions of the anatomy of vegetative organs are an important tool for infrageneric separation to aid in group taxonomy. The species collected in the Pantanal and prepared according to the usual techniques for anatomical studies showed simi...
Vegetative forms of Bacillus anthracis replicate in tissues of an infected host and precipitate lethal anthrax disease. Upon host death, bacilli form dormant spores that contaminate the environment, thereby gaining entry into new hosts where spores germinate and once again replicate as vegetative forms. We show here that sortase C, an enzyme that is required for the formation of infectious spor...
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