naglaa_abdallah

Naglaa Youssef Abdallah

مدرس - Lecturer

كلية العلوم

العنوان: جامعه سوهاج - كليه العلوم- قسم النبات والميكروبيولوجى

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إعجاب

المنشورات و المؤلفات التي تحتوي علي الكلمة المفتاحية: Berthellina citrina


2018-09-24 07:31:55 الكلمات المفتاحية Molecular phylogeny, Species delimitation, Pleurobranchomorpha, Berthellina delicata, Berthellina citrina,
A review of the genus Berthellina (Mollusca: Heterobranchia: Pleurobranchidae) in the Red Sea based on molecular and anatomical data
The genus _Berthellina_ Gardiner 1936 (Mollusca: Heterobranchia: Nudipleura) is a circumtropical group of pleurobranchid sea slugs including species with uniform coloration patterns, varying from yellow and orange to red. The systematics of Berthellina is in need of a revision for many areas of the world, particularly in the Indo-West Pacific region, where more than one species seem to occur. In ... إقراء المزيد

2018-09-24 07:49:50 الكلمات المفتاحية Color polymorphism, Berthellina citrina, Reproductive system, Cluster analysis, Digestive system, Red Sea,
Color Polymorphism in the Sea Slug Berthellina citrina (Rüppell and Leuckart, 1828) (Heterobranchia: Notaspidea: Pleurobranchidae) from the Red Sea
_Berthellina citrina _(Rüppell and Leuckart, 1828) is a common Pleurobranchid gastropod in the intertidal area of the Red Sea. It has distinct color pattern variation from pale yellow, orange to red. The present study aimed to evaluate whether the variation of these color patterns are due to polymorphism, or may be speciation. Anatomically, the three color patterns showed variations in ... إقراء المزيد

2018-09-24 07:53:43 الكلمات المفتاحية Berthellina citrina, Lethal effects, Amino acids, Antimicrobial activity, Cytotoxic activity,
Toxicological and Biological Activities of the Acid Secretion of Berthellina citrina (Heterobranchia, Pleurobranchidae) from the Red Sea
_Berthellina citrina _is a pleurobranchid opisthobranch characterized by its skin acid-secretion that contains sulphate and chloride ions with traces of organic matter. To identify defensive potential and bioactivity, we tested this secretion for the first time against _Artemia salina_, different strains of microorganisms, human RBCs and human cancer cell lines. It showed lethality to _A. salina _with LC50 values 83.86 ... إقراء المزيد

2018-09-24 08:45:40 الكلمات المفتاحية Pleurobranchus grandis, Pleurobranchus albiguttatus, Red Sea, Berthellina citrina, Temporal distribution,
REDESCRPTION AND SOME ECOLOGICAL TRAITS OF THREE PLEUROBRANCH SPECIES (GASTROPODA: MOLLUSCA) INHABITING THE NORTH-WESTERN COAST OF THE RED SEA, EGYPT
Three pleurobranch species; Berthellina citrina (Ruppel and Leuckart, 1828), Pleurobranchus grandis (Pease, 1868) and Pleurobranchus albiguttatus (Bergh, 1905) were collected from seven sites in the upper intertidal zone, on the North Western Coast of the Red Sea; Egypt. They inhabit the lower surfaces of medium sized stones in pools containing water all the time. A redescrpition of Berthellina citrina was ... إقراء المزيد

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