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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vuzbiochemi</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Прикладная химия и биотехнология</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Universities. Applied Chemistry and Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-2925</issn><issn pub-type="epub">2500-1558</issn><publisher><publisher-name>ИРНИТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/2227-2925-2023-13-1-88-98</article-id><article-id custom-type="elpub" pub-id-type="custom">vuzbiochemi-963</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ФИЗИКО-ХИМИЧЕСКАЯ БИОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICOCHEMICAL BIOLOGY</subject></subj-group></article-categories><title-group><article-title>Влияние акрилатных гидрогелей на основные параметры культивирования и антагонистическую активность агрономически полезных бактерий</article-title><trans-title-group xml:lang="en"><trans-title>Effect of acrylate-based hydrogels on basic cultivation parameters and antagonistic activity of soil beneficial bacteria</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5401-0579</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Крыжко</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kryzhko</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Крыжко Анастасия Владимировна - кандидат сельскохозяйственных наук, ведущий научный сотрудник лаборатории молекулярной генетики, протеомики и биоинформатики в сельском хозяйстве НИИСХ Крыма.</p><p>295453, Симферополь, ул. Киевская, 150</p></bio><bio xml:lang="en"><p>Anastasiia V. Kryzhko - Cand. Sci. (Agriculture), Leading Researcher, Laboratory of Molecular Genetics, Proteomics and Bioinformatics in Agriculture, Research Institute of Agriculture of Crimea.</p><p>150, Kievskaya St., Simferopol, 295453</p></bio><email xlink:type="simple">nk_lib@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6569-0602</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дидович</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Didovich</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дидович Светлана Витальевна - кандидат сельскохозяйственных наук, ведущий научный сотрудник НИИСХ Крыма.</p><p>295453, Симферополь, ул. Киевская, 150</p></bio><bio xml:lang="en"><p>Svetlana V. Didovich - Cand. Sc. (Agriculture), Leading Researcher, Research Institute of Agriculture of Crimea.</p><p>150, Kievskaya St., Simferopol, 295493</p></bio><email xlink:type="simple">sv-alex.68@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5268-9557</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сорокин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sorokin</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сорокин Андрей Викторович - младший научный сотрудник лаборатории метагеномики и пищевых биотехнологий, ВГУИТ; младший научный сотрудник кафедры биофизики и биотехнологии, ВГУ; младший научный сотрудник НИЛ «Биоресурсный потенциал приморской территории», СевГУ.</p><p>394036, Воронеж, пр. Революции, 19; 394018, Воронеж, Университетская пл., 1; 299053, Севастополь, ул. Студенческая, 33</p></bio><bio xml:lang="en"><p>Andrey V. Sorokin - Junior Researcher, Metagenomics and Food Biotechnologies Laboratory, Voronezh State University of Engineering Technologies; Junior Researcher, Biophysics and Biotechnology Department, Voronezh State University; Junior Researcher, Bioresource Potential of the Seaside Territory Laboratory, Sevastopol State University.</p><p>19, Revolutsii Ave., Voronezh, 394036; 1, Universitetskaya Sq., Voronezh, 394018; 33, Studencheskaya St., Sevastopol, 299053</p></bio><email xlink:type="simple">andrew.v.sorokin@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9058-027X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лавлинская</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Lavlinskaya</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лавлинская Мария Сергеевна - старший научный сотрудник лаборатории метагеномики и пищевых биотехнологий, ВГУИТ; старший научный сотрудник кафедры биофизики и биотехнологии, ВГУ; старший научный сотрудник НИЛ «Биоресурсный потенциал приморской территории», СевГУ.</p><p>394036, Воронеж, пр. Революции, 19, Российская Федерация; 394018, Воронеж, Университетская пл., 1; 299053, Севастополь, ул. Студенческая, 33</p></bio><bio xml:lang="en"><p>Maria S. Lavlinskaya - Senior Researcher, Metagenomics and Food Biotechnologies Laboratory, Voronezh State University of Engineering Technologies; Senior Researcher, Biophysics and Biotechnology Department, Voronezh State University; Senior Researcher, Bioresource Potential of the Seaside Territory Laboratory, Sevastopol State University.</p><p>19, Revolutsii Ave., Voronezh, 394036; 1, Universitetskaya Sq., Voronezh, 394018; 33, Studencheskaya St., Sevastopol, 299053</p></bio><email xlink:type="simple">maria.lavlinskaya@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Севастопольский государственный университет; Научно-исследовательский институт сельского хозяйства Крыма</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sevastopol State University; Research Institute of Agriculture of Crimea</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Севастопольский государственный университет; Воронежский государственный университет инженерных технологий; Воронежский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sevastopol State University; Voronezh State University of Engineering Technologies; Voronezh State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>05</day><month>04</month><year>2023</year></pub-date><volume>13</volume><issue>1</issue><fpage>88</fpage><lpage>98</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Крыжко А.В., Дидович С.В., Сорокин А.В., Лавлинская М.С., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Крыжко А.В., Дидович С.В., Сорокин А.В., Лавлинская М.С.</copyright-holder><copyright-holder xml:lang="en">Kryzhko A.V., Didovich S.V., Sorokin A.V., Lavlinskaya M.S.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vuzbiochemi.elpub.ru/jour/article/view/963">https://vuzbiochemi.elpub.ru/jour/article/view/963</self-uri><abstract><p>Целью работы являлось исследование влияния полимерных акрилатных гидрогелей на рост и развитие агрономически полезной микрофлоры - штаммов азотфиксаторов, фосфатмобилизаторов, энтомопатогенов и антагонистов фитопатогенов. Антибактериальное действие гидрогелей изучали методом лунок в чашках Петри по Й. Сэги. Культивирование бактерий проводили в ГРМ-бульоне, определение оптической плотности среды осуществляли при 600 нм с периодичностью 1 ч в течение 48 ч. Исследование биопленкообразования вели на среде LB согласно методу O'Toole, Kolter (1998). В стерильную среду вносили образцы гидрогелей в концентрации 200; 100; 50; 25 и 12,5 мг/мл. Установлено, что штаммы Paenibacillus polymyxa П, Agrobacterium tumefacience 204 и энтомопатогены Bacillus thuringiensis 0271, B. thuringiensis 0371 не проявляют признаков угнетения в зоне взаимодействия как с эталонными, так и с экспериментальными гидрогелями, а рост культур штаммов Azotobacter vinelandii 10702, Bradyrhizobium ottawaense М-8 и Rhizobium leguminosarum К-29 был ингибирован во всех вариантах опыта. Исследованные суспензии гидрогелей ГГ1 и ГГ2 в концентрации 200 мг/мл способствовали уменьшению оптической плотности культур как штамма B. amyloliquefaciens 01-1, так и штамма Lelliottia nimipressurales 32-3 в среднем на 23,3 и 14,7% к контролю соответственно. Внесение в питательную среду 25-100 мг/мл ГГ2 способствует активному накоплению биомассы культурами P. polymyxa П и A. tumefacience 204. Гидрогели способствовали усилению биопленкообразования B. amyloliquefaciens 01-1 в концентрации 50-200 мг/мл (ГГ1) и 100-200 мг/мл (ГГ2). Максимальную стимуляцию образования планктонной культуры и биопленки наблюдали при обогащении питательной среды 12,5-100 мг/мл ГГ1 у культуры штамма P. polymyxa П, выражавшуюся в увеличении интенсивности прироста бактериальной суспензии в среднем в 8,9 раз к контролю.</p></abstract><trans-abstract xml:lang="en"><p>We study the effect of polymeric acrylate-based hydrogels on the growth and development of soil beneficial microflora, including nitrogen-fixing and phosphate-mobilizing microorganisms, entomopathogens and phytopathogen antagonists. The antibacterial effect of hydrogels (HG) was studied by the volume displacement method in Petri dishes according to Ye. Sagi. Bacteria were cultured in GRM broth; the optical density of the medium was determined at 600 nm at 1 h intervals for 48 h. The process of biofilm formation was studied in LB medium according to the method of O'Toole and Kolter (1998). HG samples were added to sterile medium at concentrations of 200, 100, 50, 25 and 12.5 mg/ml. The Paenibacillus polymyxa P and Agrobacterium tumefacience 204 strains, as well as the Bacillus thuringiensis 0271 and B. thuringiensis 0371 entomopathogens, showed no signs of inhibition in the interaction zone with both control and experimental HG. At the same time, the culture growth of the Azotobacter vinelandii 10702, Bradyrhizobium ottawaense M-8 and Rhizobium leguminosarum K-29 strains was inhibited in all the experiment variants. The investigated hydrogel suspensions HG1 and HG2 at a concentration of 200 mg/ml contributed to a decrease in the optical density of cultures of both B. amyloliquefaciens 01-1 and Lelliottia nimipressurales 32-3 by on average 23.3 and 14.7%, respectively, compared to the control. Introduction of HG2 into a nutrient medium in the amount of 25-100 mg/ml promoted active accumulation of biomass by P. polymyxa P and A. tumefacience 204. The HG1 and HG2 hydrogels at concentrations of 50-200 mg/ml and 100-200 mg/ml, respectively, enhanced the biofilm formation of B. amyloliquefaciens 01-1. The maximum stimulation of plankton culture and biofilm formation was observed when the P. polymyxa P strain culture was enriched with 12.5-100 mg/ml of HG1, which increased the intensity of bacterial suspension growth by on average 8.9 times compared to the control.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гидрогель</kwd><kwd>агрономически полезная микрофлора</kwd><kwd>штамм</kwd><kwd>антагонистическая активность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>hydrogel</kwd><kwd>soil beneficial microflora</kwd><kwd>strain</kwd><kwd>antagonistic activity</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке программы «Приоритет-2030» Севастопольского государственного университета (стратегический проект № 3, № 121121700318-1).</funding-statement><funding-statement xml:lang="en">The research was carried out with the financial support of the «Priority 2030» program of Sevastopol State University (strategic project no. 3, no. 121121700318-1).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Rodrigues S.H., Lima I.S., Neris L.M.L., Silva A.S., Santos N., Ariane M.S., et al. 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