Agro-morphological, biochemical, and molecular markers of barley genotypes grown under salinity stress conditions
Abstract The aim of this study was to evaluate the impact of salt stress on morphological, yield, biochemical, and molecular attributes of different barley genotypes. Ten genotypes were cultivated at Fayoum Research Station, El-Fayoum Governorate, Egypt, during two seasons (2020–2021 and 2021–2022),...
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| Format: | Article |
| Language: | English |
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BMC
2023-10-01
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| Series: | BMC Plant Biology |
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| Online Access: | https://doi.org/10.1186/s12870-023-04550-y |
| _version_ | 1827770653610082304 |
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| author | Marwa M. Ghonaim A. M. Attya Heba G. Aly Heba I. Mohamed Ahmed A. A. Omran |
| author_facet | Marwa M. Ghonaim A. M. Attya Heba G. Aly Heba I. Mohamed Ahmed A. A. Omran |
| author_sort | Marwa M. Ghonaim |
| collection | DOAJ |
| description | Abstract The aim of this study was to evaluate the impact of salt stress on morphological, yield, biochemical, and molecular attributes of different barley genotypes. Ten genotypes were cultivated at Fayoum Research Station, El-Fayoum Governorate, Egypt, during two seasons (2020–2021 and 2021–2022), and they were exposed to two different salt concentrations (tap water as a control and 8000 ppm). The results showed that genotypes and salt stress had a significant impact on all morphological and physiological parameters. The morphological parameters (plant height) and yield attributes (spike length, number of grains per spike, and grain yield per plant) of all barley genotypes were significantly decreased under salt stress as compared to control plants. Under salt stress, the total soluble sugars, proline, total phenol, total flavonoid, ascorbic acid, malondialdehyde, hydrogen peroxide, and sodium contents of the shoots of all barley genotypes significantly increased while the potassium content decreased. L1, which is considered a sensitive genotype was more affected by salinity stress than the tolerance genotypes L4, L6, L9, and Giza 138. SDS-PAGE of seed proteins demonstrated high levels of genetic variety with a polymorphism rate of 42.11%. All genotypes evaluated revealed significant variations in the seed protein biochemical markers, with new protein bands appearing and other protein bands disappearing in the protein patterns of genotypes cultivated under various conditions. Two molecular marker techniques (SCoT and ISSR primers) were used in this study. Ten Start Codon Targeted (SCoT) primers exhibited a total of 94 fragments with sizes ranging from 1800 base pairs to 100 base pairs; 29 of them were monomorphic, and 65 bands, with a polymorphism of 62.18%, were polymorphic. These bands contained 21 unique bands (9 positive specific markers and 12 negative specific markers). A total of 54 amplified bands with molecular sizes ranging from 2200 to 200 bp were produced using seven Inter Simple Sequence Repeat (ISSR) primers; 31 of them were monomorphic bands and 23 polymorphic bands had a 40.9% polymorphism. The techniques identified molecular genetic markers associated with salt tolerance in barley crop and successfully marked each genotype with distinct bands. The ten genotypes were sorted into two main groups by the unweighted pair group method of arithmetic averages (UPGMA) cluster analysis based on molecular markers and data at a genetic similarity coefficient level of 0.71. |
| first_indexed | 2024-03-11T12:42:40Z |
| format | Article |
| id | doaj.art-5c8d5c63634d4aad993129d82b00fb37 |
| institution | Directory Open Access Journal |
| issn | 1471-2229 |
| language | English |
| last_indexed | 2024-03-11T12:42:40Z |
| publishDate | 2023-10-01 |
| publisher | BMC |
| record_format | Article |
| series | BMC Plant Biology |
| spelling | doaj.art-5c8d5c63634d4aad993129d82b00fb372023-11-05T12:11:56ZengBMCBMC Plant Biology1471-22292023-10-0123111910.1186/s12870-023-04550-yAgro-morphological, biochemical, and molecular markers of barley genotypes grown under salinity stress conditionsMarwa M. Ghonaim0A. M. Attya1Heba G. Aly2Heba I. Mohamed3Ahmed A. A. Omran4Cell Study Research Department, Field Crops Research Institute, Agriculture Research CenterBarley Research Department, Field Crops Research Institute, Agriculture Research CenterBarley Research Department, Field Crops Research Institute, Agriculture Research CenterFaculty of Education, Biological and Geological Sciences Department, Ain Shams UniversityFaculty of Education, Biological and Geological Sciences Department, Ain Shams UniversityAbstract The aim of this study was to evaluate the impact of salt stress on morphological, yield, biochemical, and molecular attributes of different barley genotypes. Ten genotypes were cultivated at Fayoum Research Station, El-Fayoum Governorate, Egypt, during two seasons (2020–2021 and 2021–2022), and they were exposed to two different salt concentrations (tap water as a control and 8000 ppm). The results showed that genotypes and salt stress had a significant impact on all morphological and physiological parameters. The morphological parameters (plant height) and yield attributes (spike length, number of grains per spike, and grain yield per plant) of all barley genotypes were significantly decreased under salt stress as compared to control plants. Under salt stress, the total soluble sugars, proline, total phenol, total flavonoid, ascorbic acid, malondialdehyde, hydrogen peroxide, and sodium contents of the shoots of all barley genotypes significantly increased while the potassium content decreased. L1, which is considered a sensitive genotype was more affected by salinity stress than the tolerance genotypes L4, L6, L9, and Giza 138. SDS-PAGE of seed proteins demonstrated high levels of genetic variety with a polymorphism rate of 42.11%. All genotypes evaluated revealed significant variations in the seed protein biochemical markers, with new protein bands appearing and other protein bands disappearing in the protein patterns of genotypes cultivated under various conditions. Two molecular marker techniques (SCoT and ISSR primers) were used in this study. Ten Start Codon Targeted (SCoT) primers exhibited a total of 94 fragments with sizes ranging from 1800 base pairs to 100 base pairs; 29 of them were monomorphic, and 65 bands, with a polymorphism of 62.18%, were polymorphic. These bands contained 21 unique bands (9 positive specific markers and 12 negative specific markers). A total of 54 amplified bands with molecular sizes ranging from 2200 to 200 bp were produced using seven Inter Simple Sequence Repeat (ISSR) primers; 31 of them were monomorphic bands and 23 polymorphic bands had a 40.9% polymorphism. The techniques identified molecular genetic markers associated with salt tolerance in barley crop and successfully marked each genotype with distinct bands. The ten genotypes were sorted into two main groups by the unweighted pair group method of arithmetic averages (UPGMA) cluster analysis based on molecular markers and data at a genetic similarity coefficient level of 0.71.https://doi.org/10.1186/s12870-023-04550-yBarleySalinity stressFlavonoidSDS-PAGESCoTISSR |
| spellingShingle | Marwa M. Ghonaim A. M. Attya Heba G. Aly Heba I. Mohamed Ahmed A. A. Omran Agro-morphological, biochemical, and molecular markers of barley genotypes grown under salinity stress conditions BMC Plant Biology Barley Salinity stress Flavonoid SDS-PAGE SCoT ISSR |
| title | Agro-morphological, biochemical, and molecular markers of barley genotypes grown under salinity stress conditions |
| title_full | Agro-morphological, biochemical, and molecular markers of barley genotypes grown under salinity stress conditions |
| title_fullStr | Agro-morphological, biochemical, and molecular markers of barley genotypes grown under salinity stress conditions |
| title_full_unstemmed | Agro-morphological, biochemical, and molecular markers of barley genotypes grown under salinity stress conditions |
| title_short | Agro-morphological, biochemical, and molecular markers of barley genotypes grown under salinity stress conditions |
| title_sort | agro morphological biochemical and molecular markers of barley genotypes grown under salinity stress conditions |
| topic | Barley Salinity stress Flavonoid SDS-PAGE SCoT ISSR |
| url | https://doi.org/10.1186/s12870-023-04550-y |
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