نتایج جستجو برای: portunus segnis
تعداد نتایج: 838 فیلتر نتایج به سال:
Rajungan (Portunus pelagicus) atau blue swimming crab merupakan biota yang memiliki area penyebaran luas termasuk di Indonesia. P.pelagicus juga menjadi komoditas ekonomis penting bagi Indonesia, sehingga menjaga dan mengetahui keberadaan sangat penting. Hydro-acoustic salah satu metode dapat digunakan untuk memetakan dari P.pelagicus. Langkah awal dilakukan yaitu karakteristik hambur balik Kar...
همزیستی شکل خاصی از حیات جانوری است که دو موجود زنده زندگی و حیاتشان وابسته به خدمت از طرف دیگری م یباشد. در این مطالعه رابطه همزیستی بین بارناکل بیرون زی ) )Chelonibita patula و خرچنگ شناگر آبی ) Portinus segnis ( در سواحل خلی جفارس، استان بوشهر بررسی شد. طی نمون هبرداری، درمجموع 571 خرچنگ در اندازه مختلف ب هطور تصادفی جم عآوری گردید. نمون هها پس از منجمد شدن به آزمایشگاه انتقال و در دمای ...
Circadian oscillators are known to regulate the timing of cell division in many organisms. In the case of Chlamydomonas reinhardtii, however, this conclusion has been challenged by several investigators. We have reexamined this issue and find that the division behavior of Chlamydomonas meets all the criteria for circadian rhythmicity: persistence of a cell division rhythm (a) with a period of a...
To investigate the involvement of tubuiin gene expression in controlling cell division events in Chlamydomonas reinhardtii we have measured tubuiin mRNA levels during the cell cycle under different environmental conditions. In C. reinhardtii cells grown under the synchronizing conditions of 14 h of light followed by 10 h of darkness, mRNAs for tubuiin and associated flagellar proteins were foun...
The coordination of eukaryotic flagella is essential for many of the most basic processes of life (motility, sensing, and development), yet its emergence and regulation and its connection to locomotion are poorly understood. Previous studies show that the unicellular alga Chlamydomonas, widely regarded as an ideal system in which to study flagellar biology, swims forward by the synchronous acti...
We performed whole-genome resequencing of 12 field isolates and eight commonly studied laboratory strains of the model organism Chlamydomonas reinhardtii to characterize genomic diversity and provide a resource for studies of natural variation. Our data support previous observations that Chlamydomonas is among the most diverse eukaryotic species. Nucleotide diversity is ∼3% and is geographicall...
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