Pub Date : 2022-09-01DOI: 10.3103/S0096392522030099
S. Timorshina, E. Popova, A. Galiakberova, A. Ochneva, A. Osmolovskiy
{"title":"Aspergillus Proteolytic Enzymes Hydrolyzing Fibrillar Proteins for Biomedicine and Biotechnological Processes","authors":"S. Timorshina, E. Popova, A. Galiakberova, A. Ochneva, A. Osmolovskiy","doi":"10.3103/S0096392522030099","DOIUrl":"https://doi.org/10.3103/S0096392522030099","url":null,"abstract":"","PeriodicalId":19004,"journal":{"name":"Moscow University Biological Sciences Bulletin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45191748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-01DOI: 10.3103/S0096392522030075
D. Matorin, D. Todorenko, D. Voronov, S. Goryachev, L. B. Bratkovskaya, E. Krasnova
{"title":"Characteristics of the Distribution and State of Phytoplankton at Various Depths in Kislo-Sladkoe Lake (White Sea)","authors":"D. Matorin, D. Todorenko, D. Voronov, S. Goryachev, L. B. Bratkovskaya, E. Krasnova","doi":"10.3103/S0096392522030075","DOIUrl":"https://doi.org/10.3103/S0096392522030075","url":null,"abstract":"","PeriodicalId":19004,"journal":{"name":"Moscow University Biological Sciences Bulletin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43953209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-06-01DOI: 10.3103/S0096392522020043
A. Graf, A. Baizhumanov, M. Maslova, Y. Krushinskaya, A. Maklakova, N. Sokolova, A. Kamensky
{"title":"Effect of Acute Hypoxia on Oxidative Stress Indices in Rat Offspring at Different Stages of Gestation","authors":"A. Graf, A. Baizhumanov, M. Maslova, Y. Krushinskaya, A. Maklakova, N. Sokolova, A. Kamensky","doi":"10.3103/S0096392522020043","DOIUrl":"https://doi.org/10.3103/S0096392522020043","url":null,"abstract":"","PeriodicalId":19004,"journal":{"name":"Moscow University Biological Sciences Bulletin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49286832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-06-01DOI: 10.3103/S0096392522020080
O. Prokudina
{"title":"A Comparative Study of Maternal Behavior Dynamics in Wistar Rats and Rats Selected for Predisposition to Catatonic Reactions (GC Rats)","authors":"O. Prokudina","doi":"10.3103/S0096392522020080","DOIUrl":"https://doi.org/10.3103/S0096392522020080","url":null,"abstract":"","PeriodicalId":19004,"journal":{"name":"Moscow University Biological Sciences Bulletin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69562233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-06-01DOI: 10.3103/S0096392522020031
G. Fraikin
{"title":"Photosensory and Signaling Properties of Cryptochromes","authors":"G. Fraikin","doi":"10.3103/S0096392522020031","DOIUrl":"https://doi.org/10.3103/S0096392522020031","url":null,"abstract":"","PeriodicalId":19004,"journal":{"name":"Moscow University Biological Sciences Bulletin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41342782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-06-01DOI: 10.3103/S0096392522020055
E. Lovyagina, L. N. Davletshina, B. Semin
{"title":"Peculiarities of Mn(II) Cation Oxidation in the Photosystem II without an Oxygen-Evolving Complex: Evolutionary Aspect","authors":"E. Lovyagina, L. N. Davletshina, B. Semin","doi":"10.3103/S0096392522020055","DOIUrl":"https://doi.org/10.3103/S0096392522020055","url":null,"abstract":"","PeriodicalId":19004,"journal":{"name":"Moscow University Biological Sciences Bulletin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69558063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-06-01DOI: 10.3103/S0096392522020109
A. Shvetsova, D. Gaynullina, O. Tarasova
{"title":"TASK-1 Channels: Functional Role in Arterial Smooth Muscle Cells","authors":"A. Shvetsova, D. Gaynullina, O. Tarasova","doi":"10.3103/S0096392522020109","DOIUrl":"https://doi.org/10.3103/S0096392522020109","url":null,"abstract":"","PeriodicalId":19004,"journal":{"name":"Moscow University Biological Sciences Bulletin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46504506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-06-01DOI: 10.3103/S0096392522020110
A. Solovchenko, E. N. Tkachyov, E. Tsukanova, B. M. Shuryhin, S. Khruschev, I. Konyukhov, V. Ptushenko
{"title":"Winter Dormancy of Woody Plants and Its Noninvasive Monitoring","authors":"A. Solovchenko, E. N. Tkachyov, E. Tsukanova, B. M. Shuryhin, S. Khruschev, I. Konyukhov, V. Ptushenko","doi":"10.3103/S0096392522020110","DOIUrl":"https://doi.org/10.3103/S0096392522020110","url":null,"abstract":"","PeriodicalId":19004,"journal":{"name":"Moscow University Biological Sciences Bulletin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45378436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-05-23DOI: 10.3103/s0096392522010060
A. A. Volgusheva, E. V. Petrova, G. P. Kukarskikh, A. Dubini, T. K. Antal
Abstract
The study investigated the effect of the major fermentation enzyme, pyruvate formate lyase, on hydrogen photoproduction by green microalga Chlamydomonas reinhardtii under mineral deprivation. Cultures of the wild type (CC-125) and mutant pfl1 without pyruvate formate lyase activity were incubated on a medium without sulfur in the sealed photoreactors under constant illumination for 96 h. During the experiment, accumulation of hydrogen in a gas phase of photoreactors and factors affecting hydrogen production, such as photosynthetic activity, respiration, and starch content, in cells were assessed. Both strains showed similar photosynthetic activity and starch content when cultivated in the complete medium. Under sulfur depletion, the cultures of the pfl1 mutant began to evolve hydrogen later than the wild type; however, this process lasted much longer in the mutant. The pfl1 cultures showed higher rates of starch accumulation and breakdown during the initial and late stages of sulfur deprivation, respectively. Moreover, the mutant was characterized by higher photosynthetic activity at the later stage of deprivation. The obtained results indicate close relationships between photosynthetic electron transport, hydrogenase reaction, carbohydrate metabolism and fermentation process, pointing to the prospect of using genetic engineering to modify fermentation reactions in order to improve photosynthetic hydrogen production in biotechnology.
{"title":"Influence of Fermentation Reactions on Continuous Hydrogen Photoproduction by Microalga Chlamydomonas reinhardtii under Sulfur Deficiency","authors":"A. A. Volgusheva, E. V. Petrova, G. P. Kukarskikh, A. Dubini, T. K. Antal","doi":"10.3103/s0096392522010060","DOIUrl":"https://doi.org/10.3103/s0096392522010060","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The study investigated the effect of the major fermentation enzyme, pyruvate formate lyase, on hydrogen photoproduction by green microalga <i>Chlamydomonas reinhardtii</i> under mineral deprivation. Cultures of the wild type (CC-125) and mutant <i>pfl1</i> without pyruvate formate lyase activity were incubated on a medium without sulfur in the sealed photoreactors under constant illumination for 96 h. During the experiment, accumulation of hydrogen in a gas phase of photoreactors and factors affecting hydrogen production, such as photosynthetic activity, respiration, and starch content, in cells were assessed. Both strains showed similar photosynthetic activity and starch content when cultivated in the complete medium. Under sulfur depletion, the cultures of the <i>pfl1</i> mutant began to evolve hydrogen later than the wild type; however, this process lasted much longer in the mutant. The <i>pfl1</i> cultures showed higher rates of starch accumulation and breakdown during the initial and late stages of sulfur deprivation, respectively. Moreover, the mutant was characterized by higher photosynthetic activity at the later stage of deprivation. The obtained results indicate close relationships between photosynthetic electron transport, hydrogenase reaction, carbohydrate metabolism and fermentation process, pointing to the prospect of using genetic engineering to modify fermentation reactions in order to improve photosynthetic hydrogen production in biotechnology.</p>","PeriodicalId":19004,"journal":{"name":"Moscow University Biological Sciences Bulletin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138518204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-05-23DOI: 10.3103/s0096392522010035
A. V. Oleskin, A. L. Postnov
Abstract
The present work contains literature data and the authors’ own findings that provide evidence for an important ecosystem-level regulatory role of chemical factors that perform the function of neurotransmitters in animals’ nervous systems. Special attention is given to biogenic amines and related compounds that represent one of the main subgroups of neurotransmitters. The facts considered in this work indicate that such substances are characterized by a wide spectrum of signal functions in diverse components of aquatic ecosystems, including the microbiota, phytoplankton, invertebrates, higher plants, and fishes. Of paramount importance is the involvement of such neurotransmitters in the regulation of the functioning of whole ecosystems. Such ecosystem-level regulators are not only synthesized and released into the environment by various components of aquatic ecosystems but also introduced into them as human-made pollutants.
{"title":"Neurotransmitters as Communicative Agents in Aquatic Ecosystems","authors":"A. V. Oleskin, A. L. Postnov","doi":"10.3103/s0096392522010035","DOIUrl":"https://doi.org/10.3103/s0096392522010035","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The present work contains literature data and the authors’ own findings that provide evidence for an important ecosystem-level regulatory role of chemical factors that perform the function of neurotransmitters in animals’ nervous systems. Special attention is given to biogenic amines and related compounds that represent one of the main subgroups of neurotransmitters. The facts considered in this work indicate that such substances are characterized by a wide spectrum of signal functions in diverse components of aquatic ecosystems, including the microbiota, phytoplankton, invertebrates, higher plants, and fishes. Of paramount importance is the involvement of such neurotransmitters in the regulation of the functioning of whole ecosystems. Such ecosystem-level regulators are not only synthesized and released into the environment by various components of aquatic ecosystems but also introduced into them as human-made pollutants.</p>","PeriodicalId":19004,"journal":{"name":"Moscow University Biological Sciences Bulletin","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138518194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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