Trifolium alexandrinum, an important forage
legume, suffers from narrow genetic base. The present investigation was envisaged to reveal the inter- and intra-species genetic diversity and
lineage among 64 accessions, representing a global collection, of T. alexandrinum;it’s two probable progenitorspecies
(T. salmoneum and T. subterraneum) and thethree
genetically distant species (T. repens, T. vesiculosum, T. michelianum). A set of Simple Sequence Repeats (SSR)
primer-pairs developed from T.
alexandrinum have shown to amplify alleles across the species under study,
suggesting utility of the newly developed resource for assessing molecular diversity among Trifolium species. These SSRs markers together with previously reported SSRs, derived
from T. repens,enabled to reveal high intra-species polymorphism in T. alexandrinum and successfully
discriminate different species investigated in this study. The diverse
accessions determined herein provide a superior resource for further breeding
References
[1]
Zohary M. and Heller D. (1984) The Genus Trifolium. The Israel Academy of Sciences and Humanities, Jerusalem.
[2]
Muhammad, D., Misri, B., EL-Nahrawy, M., Khan, S. and Serkan, A. (2014) Egyptian Clover (Trifolium alexandrinum)-King of Forage Crops. Food and Agriculture Organization of the United Nations, Regional Office for the Near East and North Africa Cairo, 127.
[3]
Malaviya, D.R., Kumar, B., Roy, A.K., Kaushal, P. and Tiwari, A. (2005) Estimation of Variability for Isozymes of Five Enzyme Systems among Wild and Cultivated Species of Trifolium. Genetic Resources and Crop Evolution, 52, 967-976. https://doi.org/10.1007/s10722-003-6127-0
[4]
Malaviya, D.R., Roy A.K., Kaushal, P., Singh, U.P. and Kumar, B. (2007) Phenotypic Variability among the Germplasm Lines of Egyptian Clover (Trifolium alexandrinum L.). Journal of Plant Genetic Resources, 20, 15-20.
[5]
Kumar, B., Malaviya, D.R., Roy, A.K. and Kaushal, P. (2008) Isozyme Variability in Trifolium alexandrinum Accessions. Indian Journal of Genetics and Plant Breeding, 68, 195-200.
[6]
Verma, P., Chandra, A., Roy, A.K., Malaviya, D.R., Kaushal, P., Pandey, D. and Bhatia, S. (2015) Development and Characterization of Genomic Based SSR Markers in Berseem (Trifolium alexandrinum L.), an Important Multi-Cut Annual Forage Legume. Molecular Breeding, 35, 23. https://doi.org/10.1007/s11032-015-0223-7
[7]
Sambrook, J., Fritsch, E.F. and Maniatis, T. (1989) Molecular Cloning. A Laboratory Manual. 2nd Edition, Cold Spring Harbour Laboratory Press, New York.
[8]
Fisher, P.J., Gardner, R.C. and Richardson, T.E. (1996) Single Locus Microsatellites Isolated Using 5’ Anchored PCR. Nucleic Acids Research, 24, 4369-4371. https://doi.org/10.1093/nar/24.21.4369
[9]
Chandra, A., Tiwari, K.K., Nagaich, D., Dubey, N., Kumar, S. and Roy, A.K. (2011) Development and Characterization of Microsatellite Markers from Tropical Forage Stylosanthes Species and Analysis of Genetic Variability and Cross-Species Transferability. Genome, 54, 1016-1028. https://doi.org/10.1139/g11-064
[10]
Rozen, S. and Skaletsky, H. (1999) Primer3 on the WWW for General Users and for Biologist Programmers. Methods in Molecular Biology, 132, 365-386. https://doi.org/10.1385/1-59259-192-2:365
[11]
George, J., Dobrowolski, M.P., van Zijll de Jong, E., Cogan, O.I., Smith, K.F. and Forster, J.W. (2006) Assessment of Genetic Diversity in Cultivars of White Clover (Trifolium repens L.) Detected by SSR Polymorphism. Gemone, 49, 919-930. https://doi.org/10.1139/g06-079
[12]
Raman, R., Raman, H., Johnstone, K., Lisle, C., Smith, A., Martin, P. and Allen, H. (2005) Genetic and in Silico Comparative Mapping of the Polyphenol Oxidase Gene in Bread Wheat (Triticum aestivum L.). Functional and Integrated Genomics, 5, 185-200. https://doi.org/10.1007/s10142-005-0144-3
[13]
Dice, L.R. (1945) Measures of the Amount of Ecological Association Behaviour Species. Ecology, 26, 297-302. https://doi.org/10.2307/1932409
Abdel-Fatah, B.E.S and Bakheit, B.R. (2018) Genetic Diversity between Two Egyptian Clover Varieties and QTL Analysis for Some Agro-Morphological Traits. Molecular Biology Reports. https://doi.org/10.1007/s11033-018-4546-4
[16]
Malaviya, D.R., Roy, A.K., Kaushal, P., Kumar, B. and Tiwari, A. (2008) Genetic Similarity among Trifolium Species Based on Isozyme Banding Pattern. Plant Systematics and Evolution, 276, 125-136. https://doi.org/10.1007/s00606-008-0070-7
[17]
Badr, A., El-Shazly, H.H. and Watson, L.E. (2008) Origin and Ancestry of Egyptian Clover (Trifolium alexandrinum L.) as Revealed by AFLP Markers. Genetic Resource and Crop Evolution, 55, 21-31. https://doi.org/10.1007/s10722-007-9210-0
[18]
Bobrov, E.G. (1947) Vidi Kleverov URSS. Acta Inst. Bot. N. Acad. Sci. USSR Ser1, 6, 164-336. (In Russian)
[19]
Malaviya, D.R., Roy, A.K., Kaushal, P., Chakraborti, M., Yadav, A., Khare, A., Dhir, R., Khairnar, D. and George, G.P. (2018) Interspecific Compatibility Barriers, Development of Interspecific Hybrids through Embryo Rescue and Lineage of Trifolium alexandrinum (Egyptian Clover)—Important Tropical Forage Legume. Plant Breeding, 137, 655-672. https://doi.org/10.1111/pbr.12616
[20]
Kaushal, P., Malaviya, D.R., Roy, A.K., Kumar, B. and Tiwari, A. (2005) Trifolium alexandrinum × T. resupinatum Interspecific Hybrids Developed through Embryo Rescue. Plant Cell, Tissue and Organ Culture, 83, 137-144. https://doi.org/10.1007/s11240-005-4442-1
[21]
Kaur, A., Kaur, K.P., Kalia, A., Rani, U., Kahlon, J.G., Sharma, R., Malaviya, D., Kapoor, R. and Sandhu, J.S. (2017) Generation of Interspecific Hybrids between Trifolium vesiculosum and T. alexandrinum Using Embryo Rescue. Euphytica, 213, 253.
[22]
Oppenheimer, H.R. (1959) The Origin of Egyptian Clover with Critical Revision of Some Related Species. Bulletin of the Research Council of Israel, 7D, 202-221.
[23]
Putiyevsky, E., Katznelson, J. and Zohary, M. (1975) Cytogenetic Studies in Trifolium spp. Related to Berseem. IV. The Relationships in the Alexandrinum and Vavilovii Crossability Groups and the Origin of Cultivated Berseem. Theoretical & Applied Genetics, 45, 355-362. https://doi.org/10.1007/BF00277676
[24]
Aaronsohn, A. (1910) Agricultural Explorations in Palestine. USDA—Bureau of Plant Industry, Bulletin No. 180.
[25]
Zohary, M. (1972) Origin and Evolution in the Genus Trifolium. Botaniska Notiser, 125, 501-511.
[26]
Pathak, S., Malaviya, D.R., Roy, A.K., Dwivedi, K. and Kaushal, P. (2015) Multifoliate Leaf Formation in Induced Tetraploids of Trifolium alexandrinum L. Cytologia, 80, 59-66. https://doi.org/10.1508/cytologia.80.59