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1.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Makhrov A. A., Artamonova V. S., Murza I. G., Pashkov A. N., Ponomareva M. V., Reshetnikov S. I., Christoforov O. L.
Заглавие : Ecological Forms of Black Sea Brown Trout (Salmo trutta labrax) in the Mzymta River as Manifestation of Ontogenetic Plasticity
Колич.характеристики :11 с
Коллективы : Russian Scientific Foundation [16-14-10001]
Место публикации : Russ. J. Dev. Biol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2018. - Vol. 49, Is. 2. - С. 117-127. - ISSN 1062-3604, DOI 10.1134/S1062360418020054. - ISSN 1608-3326(eISSN)
Примечания : Cited References:77. - This study was supported by the Russian Scientific Foundation, project no. 16-14-10001.
Предметные рубрики: ATLANTIC SALMON
POPULATIONS
HISTORY
L.
MIGRATION
SURVIVAL
Ключевые слова (''Своб.индексиров.''): salmonidae--brown trout--trout--ontogenesis--migrations--maturation--phenotypic plasticity--gonads--smolts
Аннотация: Populations of brown trout in the Mzymta River and its tributaries include anadromous (mainly female) and resident (mainly males) fish. Some resident males in the basin of the Mzymty River attain sexual maturity at the age 1+, and resident females mature at the age 2+ or 3+. The maximum age of resident fish is 4+ in the samples studied. Migrations of anadromous brown trout to the sea occur at the ages 1+, 2+, or 3+. Future spawners spend from 1 to 4 years at feeding grounds in the sea. Smolts of the population are characterized by performing not only spring but also autumn migrations to the sea. One smolt specimen has been detected upstream from the dam in the river where spawners of anadromous brown trout do not migrate; this means that the capability for sea migrations persists long in the population represented only by resident specimens of brown trout. The diversity of life cycles and ecological forms in populations of brown trout is not lower than in populations of brown trout in Northern and Western Europe. The comparison of the data obtained with published data makes it possible to come to the conclusion about the high plasticity of ontogenesis of Black Sea brown trout.
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2.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Kargatova T.V., Boyandin A.N., Popova L.Y., Pechurkin N.S.
Заглавие : Experimental evaluation of the processes resulting from the introduction of the transgenic microorganism Escherichia coli Z905/pPHL7 (luk(+)) into aquatic microcosms
Колич.характеристики :6 с
Место публикации : SPACE LIFE SCIENCES: CLOSED ARTIFICIAL ECOSYSTEMS AND LIFE SUPPORT SYSTEMS. Ser. ADVANCES IN SPACE RESEARCH: PERGAMON-ELSEVIER SCIENCE LTD, 2003. - Vol. 31: Meeting of F4 1 Session of the 34th Scientific Assembly of COSPAR (OCT, 2002, HOUSTON, TEXAS), Is. 7. - P1769-1774. - ISBN 0273-1177, DOI 10.1016/S0273-1177(03)00119-4
Примечания : Cited References: 16
Предметные рубрики: SURVIVAL
PROTEIN
Аннотация: The processes resulting from the introduction of the transgenic microorganism (TM) E. coli Z905/pPHL7 into aquatic microcosms have been modeled experimentally. It has been shown that the TM E. coli is able to adapt to a long co-existence with indigenous heterotrophic microflora in variously structured microcosms. In more complex microcosms the numerical dynamics of the introduced E. coli Z905/pPHL7 population is more stable. In the TM populations staying in the microcosms for a prolonged time, changes are recorded in the phenotypic expression of plasmid genes (ampicillin resistance and the luminescence level) and chromosome genes (morphological and physiological traits). However, in our study microcosms, the recombinant plasmid persisted in the TM cells for 6 years after die introduction, and as the population adapts to the conditions of the microcosms, the efficiency of the cloned gene expression in the cells is restored. In the microcosms with high microalgal counts (10(7) cells/ml), cells with a high threshold of sensitivity to ampicillin dominate in the population of the TM E. coli Z905/pPHL7. (C) 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.
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3.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kargatova T.V., Maksimova E.E., Popova L.Y.
Заглавие : Coexistence of genetically engineered Escherichia coli strains and natural microorganisms in experimental aquatic microcosms
Колич.характеристики :6 с
Место публикации : Microbiology: MAIK NAUKA/INTERPERIODICA, 2001. - Vol. 70, Is. 2. - P211-216. - ISSN 0026-2617, DOI 10.1023/A:1010437731920
Примечания : Cited References: 17
Предметные рубрики: SURVIVAL
BACTERIA
GROWTH
Ключевые слова (''Своб.индексиров.''): escherichia coli--aquatic microecosystems--recombinant plasmid
Аннотация: In experimental aquatic microcosms (AMCs), the population of the Escherichia coli strain Z905 harboring the recombinant plasmid pPHL7 (Ap(r)Lux(+)) was found to gradually accumulate AMC-adapted cells, which retained the plasmid but differed from the original cells in some biochemical and physiological characteristics. Both the original and the AMC-adapted E. coil cells could coexist with the native AMC microflora for one year or longer. When introduced into AMCs together with native pseudomonads, the AMC-adapted E. coil Z905-33 (pPHL7) cells were more competitive than the nonadapted cells.
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