نتایج جستجو برای: gracilariopsis

تعداد نتایج: 106  

F. Rafiee, I. Joon Lee, M. Matinfar, P. Nejatkhah Manavi, Y.-Ki Hong,

The species Gracilariopsis persica was first described by Bellorin et al. (2008). G. persica grows from late September to July and shows high growth rate from January to May in the Persian Gulf. Tissue growth and branch induction of red seaweed, Gracilariopsis persica from the Persian Gulf investigated under various culture levels of temperature, light intensity, photoperiod, salinity, initial ...

ژورنال: :مجله بهره برداری و پرورش آبزیان 2015
محمدرضا انتصاریان مسعود رضایی علی معتمدزادگان

آگار، ترکیب بیوپلیمری ژله¬ای است که می¬توان از دیواره سلولی برخی جلبک¬های قرمز استخراج نمود. در این تحقیق تاثیر شرایط مختلف استخراج بر نقطه ذوب و دمای تشکیل ژل آگار استحصالی از جلبک پرورشی گراسیلاریوپسیز پرسیکا با استفاده از رویه سطح پاسخ (rsm) مورد بررسی قرار گرفت. متغیرهای غلظت قلیا (2، 2/3، 5، 8/6، 8 درصد w/v)، دما (90، 96، 105، 114، 120 درجه سانتیگراد) و زمان استخراج (45، 85، 142، 200، 240 ...

Journal: :Journal of Polymers and The Environment 2022

Abstract This study reports on the use of whole seaweed biomass to obtain bio-based films for food packaging applications. Specifically, four different species agarophytes ( Gelidium corneum, Gracilaria chilensis, tenuistipitata and Gracilariopsis longissima ) were minimally processed by melt blending compression molding, effect their composition cell wall structure final performance was invest...

Journal: :Frontiers in Marine Science 2023

Gracilariopsis lemaneiformis ( Gp. ) is an economically important agar-producing red alga applicable in the food and cosmetic industries. The genetic knowledge of this species is, however, limited, tools for studying engineering it are lacking. This has limited understanding its developmental genetics hindered development new strains, developing would allow to tackle these problems. Here, trans...

2015
Nicole M. Kollars Stacy A. Krueger-Hadfield James E. Byers Thomas W. Greig Allan E. Strand Florian Weinberger Erik E. Sotka Rita Castilho

Microsatellite loci are popular molecular markers due to their resolution in distinguishing individual genotypes. However, they have rarely been used to explore the population dynamics in species with biphasic life cycles in which both haploid and diploid stages develop into independent, functional organisms. We developed microsatellite loci for the haploid-diploid red seaweed Gracilaria vermic...

2012
Michael J. Kennish Benjamin Fertig Gregg P. Sakowicz

Macroalgal blooms develop during the spring-summer period in the Barnegat Bay–Little Egg Harbor Estuary, a highly eutrophic coastal lagoon in New Jersey, and these blooms are detrimental to seagrass habitat in the system. Recurring blooms of drifting red and green macroalgae (e.g., Gracilaria tikvahiae and Ulva lactuca) attenuate or block light transmission to seagrass beds and also produce ext...

2014
JEFFREY T. WRIGHT JAMES E. BYERS JAYNA L. DEVORE ERIK E. SOTKA

Nonnative species that form novel habitats strongly affect ecosystem processes. The effects of these ecosystem engineers can be both positive and negative but the mechanisms behind their effects are not well described. In this study we determined the relative importance of three main mechanisms by which invasive ecosystem engineers can facilitate native fauna. The engineer may provide new physi...

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