Diversity and probiotic activities of endophytic bacteria associated with the coastal halophyte Messerschmidia sibirica
There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant res...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zhang, Chengwei [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2019transfer abstract |
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| Umfang: |
10 |
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| Übergeordnetes Werk: |
Enthalten in: Effect of E2 and long control region polymorphisms on disease severity in human papillomavirus type 11 mediated mucosal disease: Protein modelling and functional analysis - Nagy, Zsófia ELSEVIER, 2021, a section of agriculture, ecosystems & environment, Amsterdam |
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| Übergeordnetes Werk: |
volume:143 ; year:2019 ; pages:35-44 ; extent:10 |
| Links: |
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| DOI / URN: |
10.1016/j.apsoil.2019.05.030 |
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| 520 | |a There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant resistance to biotic and abiotic stress. The present study is the first to examine culturable EB colonization in Messerschmidia sibirica, a salt-secreting halophyte grown in coastal zone of Shandong peninsula in China. Total 198 EB strains were isolated from 450 samples of healthy M. sibirica leaf, stem, and root tissues. Phylogenetic analysis of 16S rRNA gene identified 40 EB genera, indicating a high degree of diversity. Pseudomonas alcaliphila had the highest colonization frequency in leaves and roots, whereas Bacillus subtilis was highest in stems. Diversity and species richness were greater in leaves and stems than in roots. Notably, cultivation-independent and -dependent analyses identified different bacterial species, especially when abundance is low, indicating the necessity of combining the two methods. Most (92.39%) strains exhibited at least one plant growth promotion trait. Respectively, 68.69%, 75.25%, 47.98%, 21.21%, and 48.48% of strains exhibited 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity, IAA secretion, siderophore production, and N-fixation, and P-solubilization. In addition, 13.64% of strains showed antimicrobial activity against one or more plant pathogens, including Phytophthora nicotianae, Alternaria alternata, Ralstonia solanacearum, Acidovorax citrulli, Pseudomonas syringae pv. lachrymans, and Erwinia carotovora subsp. Carotovora. Overall, our results supported the habitat-adapted symbiosis hypothesis, demonstrating that M. sibirica naturally harbors a diverse array of EB with different traits beneficial to the host plant. | ||
| 520 | |a There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant resistance to biotic and abiotic stress. The present study is the first to examine culturable EB colonization in Messerschmidia sibirica, a salt-secreting halophyte grown in coastal zone of Shandong peninsula in China. Total 198 EB strains were isolated from 450 samples of healthy M. sibirica leaf, stem, and root tissues. Phylogenetic analysis of 16S rRNA gene identified 40 EB genera, indicating a high degree of diversity. Pseudomonas alcaliphila had the highest colonization frequency in leaves and roots, whereas Bacillus subtilis was highest in stems. Diversity and species richness were greater in leaves and stems than in roots. Notably, cultivation-independent and -dependent analyses identified different bacterial species, especially when abundance is low, indicating the necessity of combining the two methods. Most (92.39%) strains exhibited at least one plant growth promotion trait. Respectively, 68.69%, 75.25%, 47.98%, 21.21%, and 48.48% of strains exhibited 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity, IAA secretion, siderophore production, and N-fixation, and P-solubilization. In addition, 13.64% of strains showed antimicrobial activity against one or more plant pathogens, including Phytophthora nicotianae, Alternaria alternata, Ralstonia solanacearum, Acidovorax citrulli, Pseudomonas syringae pv. lachrymans, and Erwinia carotovora subsp. Carotovora. Overall, our results supported the habitat-adapted symbiosis hypothesis, demonstrating that M. sibirica naturally harbors a diverse array of EB with different traits beneficial to the host plant. | ||
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10.1016/j.apsoil.2019.05.030 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000859.pica (DE-627)ELV047736623 (ELSEVIER)S0929-1393(19)30109-X DE-627 ger DE-627 rakwb eng 570 VZ BIODIV DE-30 fid Zhang, Chengwei verfasserin aut Diversity and probiotic activities of endophytic bacteria associated with the coastal halophyte Messerschmidia sibirica 2019transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant resistance to biotic and abiotic stress. The present study is the first to examine culturable EB colonization in Messerschmidia sibirica, a salt-secreting halophyte grown in coastal zone of Shandong peninsula in China. Total 198 EB strains were isolated from 450 samples of healthy M. sibirica leaf, stem, and root tissues. Phylogenetic analysis of 16S rRNA gene identified 40 EB genera, indicating a high degree of diversity. Pseudomonas alcaliphila had the highest colonization frequency in leaves and roots, whereas Bacillus subtilis was highest in stems. Diversity and species richness were greater in leaves and stems than in roots. Notably, cultivation-independent and -dependent analyses identified different bacterial species, especially when abundance is low, indicating the necessity of combining the two methods. Most (92.39%) strains exhibited at least one plant growth promotion trait. Respectively, 68.69%, 75.25%, 47.98%, 21.21%, and 48.48% of strains exhibited 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity, IAA secretion, siderophore production, and N-fixation, and P-solubilization. In addition, 13.64% of strains showed antimicrobial activity against one or more plant pathogens, including Phytophthora nicotianae, Alternaria alternata, Ralstonia solanacearum, Acidovorax citrulli, Pseudomonas syringae pv. lachrymans, and Erwinia carotovora subsp. Carotovora. Overall, our results supported the habitat-adapted symbiosis hypothesis, demonstrating that M. sibirica naturally harbors a diverse array of EB with different traits beneficial to the host plant. There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant resistance to biotic and abiotic stress. The present study is the first to examine culturable EB colonization in Messerschmidia sibirica, a salt-secreting halophyte grown in coastal zone of Shandong peninsula in China. Total 198 EB strains were isolated from 450 samples of healthy M. sibirica leaf, stem, and root tissues. Phylogenetic analysis of 16S rRNA gene identified 40 EB genera, indicating a high degree of diversity. Pseudomonas alcaliphila had the highest colonization frequency in leaves and roots, whereas Bacillus subtilis was highest in stems. Diversity and species richness were greater in leaves and stems than in roots. Notably, cultivation-independent and -dependent analyses identified different bacterial species, especially when abundance is low, indicating the necessity of combining the two methods. Most (92.39%) strains exhibited at least one plant growth promotion trait. Respectively, 68.69%, 75.25%, 47.98%, 21.21%, and 48.48% of strains exhibited 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity, IAA secretion, siderophore production, and N-fixation, and P-solubilization. In addition, 13.64% of strains showed antimicrobial activity against one or more plant pathogens, including Phytophthora nicotianae, Alternaria alternata, Ralstonia solanacearum, Acidovorax citrulli, Pseudomonas syringae pv. lachrymans, and Erwinia carotovora subsp. Carotovora. Overall, our results supported the habitat-adapted symbiosis hypothesis, demonstrating that M. sibirica naturally harbors a diverse array of EB with different traits beneficial to the host plant. Tian, XueYing oth Zhang, Cheng-Sheng oth Enthalten in Elsevier Nagy, Zsófia ELSEVIER Effect of E2 and long control region polymorphisms on disease severity in human papillomavirus type 11 mediated mucosal disease: Protein modelling and functional analysis 2021 a section of agriculture, ecosystems & environment Amsterdam (DE-627)ELV006497187 volume:143 year:2019 pages:35-44 extent:10 https://doi.org/10.1016/j.apsoil.2019.05.030 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA AR 143 2019 35-44 10 |
| spelling |
10.1016/j.apsoil.2019.05.030 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000859.pica (DE-627)ELV047736623 (ELSEVIER)S0929-1393(19)30109-X DE-627 ger DE-627 rakwb eng 570 VZ BIODIV DE-30 fid Zhang, Chengwei verfasserin aut Diversity and probiotic activities of endophytic bacteria associated with the coastal halophyte Messerschmidia sibirica 2019transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant resistance to biotic and abiotic stress. The present study is the first to examine culturable EB colonization in Messerschmidia sibirica, a salt-secreting halophyte grown in coastal zone of Shandong peninsula in China. Total 198 EB strains were isolated from 450 samples of healthy M. sibirica leaf, stem, and root tissues. Phylogenetic analysis of 16S rRNA gene identified 40 EB genera, indicating a high degree of diversity. Pseudomonas alcaliphila had the highest colonization frequency in leaves and roots, whereas Bacillus subtilis was highest in stems. Diversity and species richness were greater in leaves and stems than in roots. Notably, cultivation-independent and -dependent analyses identified different bacterial species, especially when abundance is low, indicating the necessity of combining the two methods. Most (92.39%) strains exhibited at least one plant growth promotion trait. Respectively, 68.69%, 75.25%, 47.98%, 21.21%, and 48.48% of strains exhibited 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity, IAA secretion, siderophore production, and N-fixation, and P-solubilization. In addition, 13.64% of strains showed antimicrobial activity against one or more plant pathogens, including Phytophthora nicotianae, Alternaria alternata, Ralstonia solanacearum, Acidovorax citrulli, Pseudomonas syringae pv. lachrymans, and Erwinia carotovora subsp. Carotovora. Overall, our results supported the habitat-adapted symbiosis hypothesis, demonstrating that M. sibirica naturally harbors a diverse array of EB with different traits beneficial to the host plant. There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant resistance to biotic and abiotic stress. The present study is the first to examine culturable EB colonization in Messerschmidia sibirica, a salt-secreting halophyte grown in coastal zone of Shandong peninsula in China. Total 198 EB strains were isolated from 450 samples of healthy M. sibirica leaf, stem, and root tissues. Phylogenetic analysis of 16S rRNA gene identified 40 EB genera, indicating a high degree of diversity. Pseudomonas alcaliphila had the highest colonization frequency in leaves and roots, whereas Bacillus subtilis was highest in stems. Diversity and species richness were greater in leaves and stems than in roots. Notably, cultivation-independent and -dependent analyses identified different bacterial species, especially when abundance is low, indicating the necessity of combining the two methods. Most (92.39%) strains exhibited at least one plant growth promotion trait. Respectively, 68.69%, 75.25%, 47.98%, 21.21%, and 48.48% of strains exhibited 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity, IAA secretion, siderophore production, and N-fixation, and P-solubilization. In addition, 13.64% of strains showed antimicrobial activity against one or more plant pathogens, including Phytophthora nicotianae, Alternaria alternata, Ralstonia solanacearum, Acidovorax citrulli, Pseudomonas syringae pv. lachrymans, and Erwinia carotovora subsp. Carotovora. Overall, our results supported the habitat-adapted symbiosis hypothesis, demonstrating that M. sibirica naturally harbors a diverse array of EB with different traits beneficial to the host plant. Tian, XueYing oth Zhang, Cheng-Sheng oth Enthalten in Elsevier Nagy, Zsófia ELSEVIER Effect of E2 and long control region polymorphisms on disease severity in human papillomavirus type 11 mediated mucosal disease: Protein modelling and functional analysis 2021 a section of agriculture, ecosystems & environment Amsterdam (DE-627)ELV006497187 volume:143 year:2019 pages:35-44 extent:10 https://doi.org/10.1016/j.apsoil.2019.05.030 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA AR 143 2019 35-44 10 |
| allfields_unstemmed |
10.1016/j.apsoil.2019.05.030 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000859.pica (DE-627)ELV047736623 (ELSEVIER)S0929-1393(19)30109-X DE-627 ger DE-627 rakwb eng 570 VZ BIODIV DE-30 fid Zhang, Chengwei verfasserin aut Diversity and probiotic activities of endophytic bacteria associated with the coastal halophyte Messerschmidia sibirica 2019transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant resistance to biotic and abiotic stress. The present study is the first to examine culturable EB colonization in Messerschmidia sibirica, a salt-secreting halophyte grown in coastal zone of Shandong peninsula in China. Total 198 EB strains were isolated from 450 samples of healthy M. sibirica leaf, stem, and root tissues. Phylogenetic analysis of 16S rRNA gene identified 40 EB genera, indicating a high degree of diversity. Pseudomonas alcaliphila had the highest colonization frequency in leaves and roots, whereas Bacillus subtilis was highest in stems. Diversity and species richness were greater in leaves and stems than in roots. Notably, cultivation-independent and -dependent analyses identified different bacterial species, especially when abundance is low, indicating the necessity of combining the two methods. Most (92.39%) strains exhibited at least one plant growth promotion trait. Respectively, 68.69%, 75.25%, 47.98%, 21.21%, and 48.48% of strains exhibited 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity, IAA secretion, siderophore production, and N-fixation, and P-solubilization. In addition, 13.64% of strains showed antimicrobial activity against one or more plant pathogens, including Phytophthora nicotianae, Alternaria alternata, Ralstonia solanacearum, Acidovorax citrulli, Pseudomonas syringae pv. lachrymans, and Erwinia carotovora subsp. Carotovora. Overall, our results supported the habitat-adapted symbiosis hypothesis, demonstrating that M. sibirica naturally harbors a diverse array of EB with different traits beneficial to the host plant. There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant resistance to biotic and abiotic stress. The present study is the first to examine culturable EB colonization in Messerschmidia sibirica, a salt-secreting halophyte grown in coastal zone of Shandong peninsula in China. Total 198 EB strains were isolated from 450 samples of healthy M. sibirica leaf, stem, and root tissues. Phylogenetic analysis of 16S rRNA gene identified 40 EB genera, indicating a high degree of diversity. Pseudomonas alcaliphila had the highest colonization frequency in leaves and roots, whereas Bacillus subtilis was highest in stems. Diversity and species richness were greater in leaves and stems than in roots. Notably, cultivation-independent and -dependent analyses identified different bacterial species, especially when abundance is low, indicating the necessity of combining the two methods. Most (92.39%) strains exhibited at least one plant growth promotion trait. Respectively, 68.69%, 75.25%, 47.98%, 21.21%, and 48.48% of strains exhibited 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity, IAA secretion, siderophore production, and N-fixation, and P-solubilization. In addition, 13.64% of strains showed antimicrobial activity against one or more plant pathogens, including Phytophthora nicotianae, Alternaria alternata, Ralstonia solanacearum, Acidovorax citrulli, Pseudomonas syringae pv. lachrymans, and Erwinia carotovora subsp. Carotovora. Overall, our results supported the habitat-adapted symbiosis hypothesis, demonstrating that M. sibirica naturally harbors a diverse array of EB with different traits beneficial to the host plant. Tian, XueYing oth Zhang, Cheng-Sheng oth Enthalten in Elsevier Nagy, Zsófia ELSEVIER Effect of E2 and long control region polymorphisms on disease severity in human papillomavirus type 11 mediated mucosal disease: Protein modelling and functional analysis 2021 a section of agriculture, ecosystems & environment Amsterdam (DE-627)ELV006497187 volume:143 year:2019 pages:35-44 extent:10 https://doi.org/10.1016/j.apsoil.2019.05.030 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA AR 143 2019 35-44 10 |
| allfieldsGer |
10.1016/j.apsoil.2019.05.030 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000859.pica (DE-627)ELV047736623 (ELSEVIER)S0929-1393(19)30109-X DE-627 ger DE-627 rakwb eng 570 VZ BIODIV DE-30 fid Zhang, Chengwei verfasserin aut Diversity and probiotic activities of endophytic bacteria associated with the coastal halophyte Messerschmidia sibirica 2019transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant resistance to biotic and abiotic stress. The present study is the first to examine culturable EB colonization in Messerschmidia sibirica, a salt-secreting halophyte grown in coastal zone of Shandong peninsula in China. Total 198 EB strains were isolated from 450 samples of healthy M. sibirica leaf, stem, and root tissues. Phylogenetic analysis of 16S rRNA gene identified 40 EB genera, indicating a high degree of diversity. Pseudomonas alcaliphila had the highest colonization frequency in leaves and roots, whereas Bacillus subtilis was highest in stems. Diversity and species richness were greater in leaves and stems than in roots. Notably, cultivation-independent and -dependent analyses identified different bacterial species, especially when abundance is low, indicating the necessity of combining the two methods. Most (92.39%) strains exhibited at least one plant growth promotion trait. Respectively, 68.69%, 75.25%, 47.98%, 21.21%, and 48.48% of strains exhibited 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity, IAA secretion, siderophore production, and N-fixation, and P-solubilization. In addition, 13.64% of strains showed antimicrobial activity against one or more plant pathogens, including Phytophthora nicotianae, Alternaria alternata, Ralstonia solanacearum, Acidovorax citrulli, Pseudomonas syringae pv. lachrymans, and Erwinia carotovora subsp. Carotovora. Overall, our results supported the habitat-adapted symbiosis hypothesis, demonstrating that M. sibirica naturally harbors a diverse array of EB with different traits beneficial to the host plant. There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant resistance to biotic and abiotic stress. The present study is the first to examine culturable EB colonization in Messerschmidia sibirica, a salt-secreting halophyte grown in coastal zone of Shandong peninsula in China. Total 198 EB strains were isolated from 450 samples of healthy M. sibirica leaf, stem, and root tissues. Phylogenetic analysis of 16S rRNA gene identified 40 EB genera, indicating a high degree of diversity. Pseudomonas alcaliphila had the highest colonization frequency in leaves and roots, whereas Bacillus subtilis was highest in stems. Diversity and species richness were greater in leaves and stems than in roots. Notably, cultivation-independent and -dependent analyses identified different bacterial species, especially when abundance is low, indicating the necessity of combining the two methods. Most (92.39%) strains exhibited at least one plant growth promotion trait. Respectively, 68.69%, 75.25%, 47.98%, 21.21%, and 48.48% of strains exhibited 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity, IAA secretion, siderophore production, and N-fixation, and P-solubilization. In addition, 13.64% of strains showed antimicrobial activity against one or more plant pathogens, including Phytophthora nicotianae, Alternaria alternata, Ralstonia solanacearum, Acidovorax citrulli, Pseudomonas syringae pv. lachrymans, and Erwinia carotovora subsp. Carotovora. Overall, our results supported the habitat-adapted symbiosis hypothesis, demonstrating that M. sibirica naturally harbors a diverse array of EB with different traits beneficial to the host plant. Tian, XueYing oth Zhang, Cheng-Sheng oth Enthalten in Elsevier Nagy, Zsófia ELSEVIER Effect of E2 and long control region polymorphisms on disease severity in human papillomavirus type 11 mediated mucosal disease: Protein modelling and functional analysis 2021 a section of agriculture, ecosystems & environment Amsterdam (DE-627)ELV006497187 volume:143 year:2019 pages:35-44 extent:10 https://doi.org/10.1016/j.apsoil.2019.05.030 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA AR 143 2019 35-44 10 |
| allfieldsSound |
10.1016/j.apsoil.2019.05.030 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000859.pica (DE-627)ELV047736623 (ELSEVIER)S0929-1393(19)30109-X DE-627 ger DE-627 rakwb eng 570 VZ BIODIV DE-30 fid Zhang, Chengwei verfasserin aut Diversity and probiotic activities of endophytic bacteria associated with the coastal halophyte Messerschmidia sibirica 2019transfer abstract 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant resistance to biotic and abiotic stress. The present study is the first to examine culturable EB colonization in Messerschmidia sibirica, a salt-secreting halophyte grown in coastal zone of Shandong peninsula in China. Total 198 EB strains were isolated from 450 samples of healthy M. sibirica leaf, stem, and root tissues. Phylogenetic analysis of 16S rRNA gene identified 40 EB genera, indicating a high degree of diversity. Pseudomonas alcaliphila had the highest colonization frequency in leaves and roots, whereas Bacillus subtilis was highest in stems. Diversity and species richness were greater in leaves and stems than in roots. Notably, cultivation-independent and -dependent analyses identified different bacterial species, especially when abundance is low, indicating the necessity of combining the two methods. Most (92.39%) strains exhibited at least one plant growth promotion trait. Respectively, 68.69%, 75.25%, 47.98%, 21.21%, and 48.48% of strains exhibited 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity, IAA secretion, siderophore production, and N-fixation, and P-solubilization. In addition, 13.64% of strains showed antimicrobial activity against one or more plant pathogens, including Phytophthora nicotianae, Alternaria alternata, Ralstonia solanacearum, Acidovorax citrulli, Pseudomonas syringae pv. lachrymans, and Erwinia carotovora subsp. Carotovora. Overall, our results supported the habitat-adapted symbiosis hypothesis, demonstrating that M. sibirica naturally harbors a diverse array of EB with different traits beneficial to the host plant. There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant resistance to biotic and abiotic stress. The present study is the first to examine culturable EB colonization in Messerschmidia sibirica, a salt-secreting halophyte grown in coastal zone of Shandong peninsula in China. Total 198 EB strains were isolated from 450 samples of healthy M. sibirica leaf, stem, and root tissues. Phylogenetic analysis of 16S rRNA gene identified 40 EB genera, indicating a high degree of diversity. Pseudomonas alcaliphila had the highest colonization frequency in leaves and roots, whereas Bacillus subtilis was highest in stems. Diversity and species richness were greater in leaves and stems than in roots. Notably, cultivation-independent and -dependent analyses identified different bacterial species, especially when abundance is low, indicating the necessity of combining the two methods. Most (92.39%) strains exhibited at least one plant growth promotion trait. Respectively, 68.69%, 75.25%, 47.98%, 21.21%, and 48.48% of strains exhibited 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity, IAA secretion, siderophore production, and N-fixation, and P-solubilization. In addition, 13.64% of strains showed antimicrobial activity against one or more plant pathogens, including Phytophthora nicotianae, Alternaria alternata, Ralstonia solanacearum, Acidovorax citrulli, Pseudomonas syringae pv. lachrymans, and Erwinia carotovora subsp. Carotovora. Overall, our results supported the habitat-adapted symbiosis hypothesis, demonstrating that M. sibirica naturally harbors a diverse array of EB with different traits beneficial to the host plant. Tian, XueYing oth Zhang, Cheng-Sheng oth Enthalten in Elsevier Nagy, Zsófia ELSEVIER Effect of E2 and long control region polymorphisms on disease severity in human papillomavirus type 11 mediated mucosal disease: Protein modelling and functional analysis 2021 a section of agriculture, ecosystems & environment Amsterdam (DE-627)ELV006497187 volume:143 year:2019 pages:35-44 extent:10 https://doi.org/10.1016/j.apsoil.2019.05.030 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA AR 143 2019 35-44 10 |
| language |
English |
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Effect of E2 and long control region polymorphisms on disease severity in human papillomavirus type 11 mediated mucosal disease: Protein modelling and functional analysis |
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diversity and probiotic activities of endophytic bacteria associated with the coastal halophyte messerschmidia sibirica |
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Diversity and probiotic activities of endophytic bacteria associated with the coastal halophyte Messerschmidia sibirica |
| abstract |
There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant resistance to biotic and abiotic stress. The present study is the first to examine culturable EB colonization in Messerschmidia sibirica, a salt-secreting halophyte grown in coastal zone of Shandong peninsula in China. Total 198 EB strains were isolated from 450 samples of healthy M. sibirica leaf, stem, and root tissues. Phylogenetic analysis of 16S rRNA gene identified 40 EB genera, indicating a high degree of diversity. Pseudomonas alcaliphila had the highest colonization frequency in leaves and roots, whereas Bacillus subtilis was highest in stems. Diversity and species richness were greater in leaves and stems than in roots. Notably, cultivation-independent and -dependent analyses identified different bacterial species, especially when abundance is low, indicating the necessity of combining the two methods. Most (92.39%) strains exhibited at least one plant growth promotion trait. Respectively, 68.69%, 75.25%, 47.98%, 21.21%, and 48.48% of strains exhibited 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity, IAA secretion, siderophore production, and N-fixation, and P-solubilization. In addition, 13.64% of strains showed antimicrobial activity against one or more plant pathogens, including Phytophthora nicotianae, Alternaria alternata, Ralstonia solanacearum, Acidovorax citrulli, Pseudomonas syringae pv. lachrymans, and Erwinia carotovora subsp. Carotovora. Overall, our results supported the habitat-adapted symbiosis hypothesis, demonstrating that M. sibirica naturally harbors a diverse array of EB with different traits beneficial to the host plant. |
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There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant resistance to biotic and abiotic stress. The present study is the first to examine culturable EB colonization in Messerschmidia sibirica, a salt-secreting halophyte grown in coastal zone of Shandong peninsula in China. Total 198 EB strains were isolated from 450 samples of healthy M. sibirica leaf, stem, and root tissues. Phylogenetic analysis of 16S rRNA gene identified 40 EB genera, indicating a high degree of diversity. Pseudomonas alcaliphila had the highest colonization frequency in leaves and roots, whereas Bacillus subtilis was highest in stems. Diversity and species richness were greater in leaves and stems than in roots. Notably, cultivation-independent and -dependent analyses identified different bacterial species, especially when abundance is low, indicating the necessity of combining the two methods. Most (92.39%) strains exhibited at least one plant growth promotion trait. Respectively, 68.69%, 75.25%, 47.98%, 21.21%, and 48.48% of strains exhibited 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity, IAA secretion, siderophore production, and N-fixation, and P-solubilization. In addition, 13.64% of strains showed antimicrobial activity against one or more plant pathogens, including Phytophthora nicotianae, Alternaria alternata, Ralstonia solanacearum, Acidovorax citrulli, Pseudomonas syringae pv. lachrymans, and Erwinia carotovora subsp. Carotovora. Overall, our results supported the habitat-adapted symbiosis hypothesis, demonstrating that M. sibirica naturally harbors a diverse array of EB with different traits beneficial to the host plant. |
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There is an increasing interest for exploitation and utilization of endophyte resources. However, little was known about endophytic bacteria (EB) associations with halophytes. It is hypothesized that EB from halophytes have evolved mechanisms that promote plant growth, while improving host-plant resistance to biotic and abiotic stress. The present study is the first to examine culturable EB colonization in Messerschmidia sibirica, a salt-secreting halophyte grown in coastal zone of Shandong peninsula in China. Total 198 EB strains were isolated from 450 samples of healthy M. sibirica leaf, stem, and root tissues. Phylogenetic analysis of 16S rRNA gene identified 40 EB genera, indicating a high degree of diversity. Pseudomonas alcaliphila had the highest colonization frequency in leaves and roots, whereas Bacillus subtilis was highest in stems. Diversity and species richness were greater in leaves and stems than in roots. Notably, cultivation-independent and -dependent analyses identified different bacterial species, especially when abundance is low, indicating the necessity of combining the two methods. Most (92.39%) strains exhibited at least one plant growth promotion trait. Respectively, 68.69%, 75.25%, 47.98%, 21.21%, and 48.48% of strains exhibited 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity, IAA secretion, siderophore production, and N-fixation, and P-solubilization. In addition, 13.64% of strains showed antimicrobial activity against one or more plant pathogens, including Phytophthora nicotianae, Alternaria alternata, Ralstonia solanacearum, Acidovorax citrulli, Pseudomonas syringae pv. lachrymans, and Erwinia carotovora subsp. Carotovora. Overall, our results supported the habitat-adapted symbiosis hypothesis, demonstrating that M. sibirica naturally harbors a diverse array of EB with different traits beneficial to the host plant. |
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