Expression and Characterization of Alkaline Phosphatase from <i>Cobetia amphilecti</i> KMM 296 in Transiently Transformed Tobacco Leaves and Transgenic Calli

Alkaline phosphatase (ALP) of the PhoA family is an important enzyme in mammals, microalgae, and certain marine bacteria. It plays a crucial role in the dephosphorylation of lipopolysaccharides (LPS) and nucleotides, which overstimulate cell signaling pathways and cause tissue inflammation in animal...

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Main Authors: Peter Adeolu Adedibu, Yulia Aleksandrovna Noskova, Yulia Anatolievna Yugay, Daria Mikhailovna Ovsiannikova, Elena Anatolievna Vasyutkina, Olesya Dmitrievna Kudinova, Valeria Petrovna Grigorchuk, Yury Nikolaevich Shkryl, Liudmila Aleksandrovna Tekutyeva, Larissa Anatolievna Balabanova
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Language:English
Published: MDPI AG 2024-12-01
Series:Plants
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Online Access:https://www.mdpi.com/2223-7747/13/24/3570
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author Peter Adeolu Adedibu
Yulia Aleksandrovna Noskova
Yulia Anatolievna Yugay
Daria Mikhailovna Ovsiannikova
Elena Anatolievna Vasyutkina
Olesya Dmitrievna Kudinova
Valeria Petrovna Grigorchuk
Yury Nikolaevich Shkryl
Liudmila Aleksandrovna Tekutyeva
Larissa Anatolievna Balabanova
author_facet Peter Adeolu Adedibu
Yulia Aleksandrovna Noskova
Yulia Anatolievna Yugay
Daria Mikhailovna Ovsiannikova
Elena Anatolievna Vasyutkina
Olesya Dmitrievna Kudinova
Valeria Petrovna Grigorchuk
Yury Nikolaevich Shkryl
Liudmila Aleksandrovna Tekutyeva
Larissa Anatolievna Balabanova
author_sort Peter Adeolu Adedibu
collection DOAJ
description Alkaline phosphatase (ALP) of the PhoA family is an important enzyme in mammals, microalgae, and certain marine bacteria. It plays a crucial role in the dephosphorylation of lipopolysaccharides (LPS) and nucleotides, which overstimulate cell signaling pathways and cause tissue inflammation in animals and humans. Insufficient ALP activity and expression levels have been linked to various disorders. This study aims to produce recombinant ALP from the marine bacterium <i>Cobetia amphilecti</i> KMM 296 (CmAP) in transformed leaves and calli of <i>Nicotiana tabacum</i> and to elucidate the influence of the plant host on its physical and chemical properties. <i>N. tabacum</i> has proven to be versatile and is extensively used as a heterologous host in molecular farming. The <i>alp</i> gene encoding for CmAP was cloned into the binary vectors pEff and pHREAC and transformed into <i>N. tabacum</i> leaves through agroinfiltration and the leaf disc method for callus induction using <i>Agrobacterium tumefaciens</i> strain EHA105. Transformed plants were screened for recombinant CmAP (rCmAP) production by its enzymatic activity and protein electrophoresis, corresponding to 55 kDa of mature CmAP. A higher rCmAP activity (14.6 U/mg) was detected in a homogenate of leaves bearing the pEFF-CmAP construct, which was further purified 150-fold using metal affinity, followed by anion exchange chromatography. Enzymatic activity and stability were assessed at different temperatures (15–75 °C) and exposure times (≤1 h), with different buffers, pHs, divalent metal ions, and salt concentrations. The results show that rCmAP is relatively thermostable, retaining its activity at 15–45 °C for up to 1 h. Its activity is highest in Tris HCl (pH 9.0–11.0) at 35 °C for 40 min. rCmAP shows higher salt-tolerance and divalent metal-dependence than obtained in <i>Escherichia coli</i>. This can be further explored for cost-effective and massively scalable production of LPS-free CmAP for possible biomedical and agricultural applications.
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spelling doaj-art-2741cf6fdade409cbc9a0d18d96a75642025-08-20T02:57:17ZengMDPI AGPlants2223-77472024-12-011324357010.3390/plants13243570Expression and Characterization of Alkaline Phosphatase from <i>Cobetia amphilecti</i> KMM 296 in Transiently Transformed Tobacco Leaves and Transgenic CalliPeter Adeolu Adedibu0Yulia Aleksandrovna Noskova1Yulia Anatolievna Yugay2Daria Mikhailovna Ovsiannikova3Elena Anatolievna Vasyutkina4Olesya Dmitrievna Kudinova5Valeria Petrovna Grigorchuk6Yury Nikolaevich Shkryl7Liudmila Aleksandrovna Tekutyeva8Larissa Anatolievna Balabanova9School of Advanced Engineering Studies, Institute of Biotechnology, Bioengineering and Food Systems, FEFU, 10 Ajax Bay, 690922 Vladivostok, RussiaLaboratory of Marine Biochemistry, G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch, Russian Academy of Sciences, Prospect 100-letya Vladivostoka 152, 690022 Vladivostok, RussiaFederal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch, Russian Academy of Sciences, 159 Stoletija Str., 690022 Vladivostok, RussiaSchool of Advanced Engineering Studies, Institute of Biotechnology, Bioengineering and Food Systems, FEFU, 10 Ajax Bay, 690922 Vladivostok, RussiaFederal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch, Russian Academy of Sciences, 159 Stoletija Str., 690022 Vladivostok, RussiaFederal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch, Russian Academy of Sciences, 159 Stoletija Str., 690022 Vladivostok, RussiaFederal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch, Russian Academy of Sciences, 159 Stoletija Str., 690022 Vladivostok, RussiaFederal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch, Russian Academy of Sciences, 159 Stoletija Str., 690022 Vladivostok, RussiaSchool of Advanced Engineering Studies, Institute of Biotechnology, Bioengineering and Food Systems, FEFU, 10 Ajax Bay, 690922 Vladivostok, RussiaSchool of Advanced Engineering Studies, Institute of Biotechnology, Bioengineering and Food Systems, FEFU, 10 Ajax Bay, 690922 Vladivostok, RussiaAlkaline phosphatase (ALP) of the PhoA family is an important enzyme in mammals, microalgae, and certain marine bacteria. It plays a crucial role in the dephosphorylation of lipopolysaccharides (LPS) and nucleotides, which overstimulate cell signaling pathways and cause tissue inflammation in animals and humans. Insufficient ALP activity and expression levels have been linked to various disorders. This study aims to produce recombinant ALP from the marine bacterium <i>Cobetia amphilecti</i> KMM 296 (CmAP) in transformed leaves and calli of <i>Nicotiana tabacum</i> and to elucidate the influence of the plant host on its physical and chemical properties. <i>N. tabacum</i> has proven to be versatile and is extensively used as a heterologous host in molecular farming. The <i>alp</i> gene encoding for CmAP was cloned into the binary vectors pEff and pHREAC and transformed into <i>N. tabacum</i> leaves through agroinfiltration and the leaf disc method for callus induction using <i>Agrobacterium tumefaciens</i> strain EHA105. Transformed plants were screened for recombinant CmAP (rCmAP) production by its enzymatic activity and protein electrophoresis, corresponding to 55 kDa of mature CmAP. A higher rCmAP activity (14.6 U/mg) was detected in a homogenate of leaves bearing the pEFF-CmAP construct, which was further purified 150-fold using metal affinity, followed by anion exchange chromatography. Enzymatic activity and stability were assessed at different temperatures (15–75 °C) and exposure times (≤1 h), with different buffers, pHs, divalent metal ions, and salt concentrations. The results show that rCmAP is relatively thermostable, retaining its activity at 15–45 °C for up to 1 h. Its activity is highest in Tris HCl (pH 9.0–11.0) at 35 °C for 40 min. rCmAP shows higher salt-tolerance and divalent metal-dependence than obtained in <i>Escherichia coli</i>. This can be further explored for cost-effective and massively scalable production of LPS-free CmAP for possible biomedical and agricultural applications.https://www.mdpi.com/2223-7747/13/24/3570bacterial alkaline phosphatasemarine bacteriaPhoA familytobaccorecombinant proteinplant molecular farming
spellingShingle Peter Adeolu Adedibu
Yulia Aleksandrovna Noskova
Yulia Anatolievna Yugay
Daria Mikhailovna Ovsiannikova
Elena Anatolievna Vasyutkina
Olesya Dmitrievna Kudinova
Valeria Petrovna Grigorchuk
Yury Nikolaevich Shkryl
Liudmila Aleksandrovna Tekutyeva
Larissa Anatolievna Balabanova
Expression and Characterization of Alkaline Phosphatase from <i>Cobetia amphilecti</i> KMM 296 in Transiently Transformed Tobacco Leaves and Transgenic Calli
Plants
bacterial alkaline phosphatase
marine bacteria
PhoA family
tobacco
recombinant protein
plant molecular farming
title Expression and Characterization of Alkaline Phosphatase from <i>Cobetia amphilecti</i> KMM 296 in Transiently Transformed Tobacco Leaves and Transgenic Calli
title_full Expression and Characterization of Alkaline Phosphatase from <i>Cobetia amphilecti</i> KMM 296 in Transiently Transformed Tobacco Leaves and Transgenic Calli
title_fullStr Expression and Characterization of Alkaline Phosphatase from <i>Cobetia amphilecti</i> KMM 296 in Transiently Transformed Tobacco Leaves and Transgenic Calli
title_full_unstemmed Expression and Characterization of Alkaline Phosphatase from <i>Cobetia amphilecti</i> KMM 296 in Transiently Transformed Tobacco Leaves and Transgenic Calli
title_short Expression and Characterization of Alkaline Phosphatase from <i>Cobetia amphilecti</i> KMM 296 in Transiently Transformed Tobacco Leaves and Transgenic Calli
title_sort expression and characterization of alkaline phosphatase from i cobetia amphilecti i kmm 296 in transiently transformed tobacco leaves and transgenic calli
topic bacterial alkaline phosphatase
marine bacteria
PhoA family
tobacco
recombinant protein
plant molecular farming
url https://www.mdpi.com/2223-7747/13/24/3570
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