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Biofilm Formation by Marine Cobetia marina alex and Pseudoalteromonas spp: Development and Detection of Quorum Sensing N-Acyl Homoserine Lactones (AHLs) Molecules

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Journal of Marine Science 2021年第3期3卷 1-12页

作者： Samia S.Abouelkheir eman a.abdelghany Soraya A.Sabry Hanan A.Ghozlan National Institute of Oceanography and Fisheries(NIOF) Marine Environment DivisionMarine Microbiology LaboratoryEgypt Botany and Microbiology Department Faculty of ScienceAlexandria UniversityAlexandria21321Egypt

Surfaces submerged in seawater are colonized by various microorganisms,resulting in the formation of heterogenic marine *** work aims to evaluate the biofilm formation by Cobetia marina alex and doing a comparative study between this promising strain with the two bacterial strains isolated previously from the Mediterranean seawater,Alexandria,*** strains;Cobetia marina alex,Pseudoalteromonas ***,and Pseudoalteromonas prydzensis alex were screened for biofilm formation using the crystal violet(CV)quantification method in a single *** values of biofilm formed were OD600=3.0,2.7,and 2.6,respectively leading to their selection for further ***,factors affecting biofilm formation by *** alex were *** formation was evaluated in single and multispecies *** and antagonistic interactions proved in this work lead to the belief that these bacteria have the capability to produce some interesting signal molecules N-acyl Homoserine Lactones(AHLs).

关键词： Quorum sensing Biofilm Pseudoalteromonas prydzensis alex Pseudoalteromonas sp.alex Cobetia marina alex Extracellular polymeric substance(EPS)

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Characterization of Biofilm Forming Marine Pseudoalteromonas spp

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Journal of Marine Science 2020年第1期2卷 31-37页

作者： Samia S.Abouelkheir eman a.abdelghany Hanan A.Ghozlan Soraya A.Sabry National Institute of Oceanography and Fisheries(NIOF) Marine Microbiology Lab.Kayet BayEl-AnfushyAlexandriaEgypt Faculty of Science Alexandria UniversityEgypt

Biofilm forming bacteria are omnipresent in the marine *** is one of the largest within the γ-proteobacteria class,and a member of marine *** of Pseudoalteromonas are generally found in association with marine *** this work,we present the isolation and characterization of two strains forming biofilm on rock surface and associated with marine *** were identified using 16SrDNA as Pseudoalteromonas prydzensis alex,and Pseudoalteromonas *** showed the highest titer in biofilm formation quantified using the test tube method using crystal violet.

关键词： Biofilm Pseudoalteromonas prydzensis alex Pseudoalteromonas sp.Alex Molecular identification Marine rock Marine sponge

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Type 2 diabetes and thyroid cancer:Synergized risk with rising air pollution

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World Journal of Diabetes 2023年第7期14卷 1037-1048页

作者： Eva M Kruger Shaimaa A Shehata eman A Toraih Ahmed a.abdelghany Manal S Fawzy School of Medicine Tulane UniversityNew OrleansLA 70112United States Department of Forensic Medicine and Clinical Toxicology Faculty of MedicineSuez Canal UniversityIsmailia 41522Egypt Division of Endocrine and Oncologic Surgery Department of SurgerySchool of MedicineTulane UniversityNew OrleansLA 70112United States Genetics Unit Department of Histology and Cell BiologyFaculty of MedicineSuez Canal UniversityIsmailia 41522Egypt Department of Ophthalmology Faculty of MedicineSuez Canal UniversityIsmailia 41522Egypt Department of Medical Biochemistry and Molecular Biology Faculty of MedicineSuez Canal UniversityIsmailia 41522Egypt Department of Biochemistry Faculty of MedicineNorthern Border UniversityArar 1321Saudi Arabia

Diabetes is a complex condition,and the causes are still not fully ***,a growing body of evidence suggests that exposure to air pollution could be linked to an increased risk of ***,exposure to certain pollutants,such as particulate Matter and Ozone,has been associated with higher rates of *** the same time,air pollution has also been linked to an increased risk of thyroid *** there is less evidence linking air pollution to thyroid cancer than to diabetes,it is clear that air pollution could have severe implications for thyroid *** pollution could increase the risk of diabetes and thyroid cancer through several *** example,air pollution could increase inflammation in the body,which is linked to an increased risk of diabetes and thyroid *** pollution could also increase oxidative stress,which is linked to an increased risk of diabetes and thyroid ***,air pollution could increase the risk of diabetes and thyroid cancer by affecting the endocrine *** review explores the link between diabetes and air pollution on thyroid *** will discuss the evidence for an association between air pollution exposure and diabetes and thyroid cancer,as well as the potential implications of air pollution for thyroid *** the connections between diabetes,air pollution,and thyroid cancer,it is essential to take preventive measures to reduce the risk of developing the condition.

关键词： Air pollution Diabetes mellitus Health risk Thyroid cancer Thyroid disorders

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