Effective Method to Resolve the Chromosome Numbers in Pistacia Species (Anacardiaceae)

DOI: 10.4236/ajps.2014.520306   PDF   HTML     2,977 Downloads   3,541 Views   Citations

Abstract

The genus Pistacia L. belongs to the Anacardiaceae family and includes at least eleven species. Cytogenetic studies addressing the genus Pistacia are rather few. Chromosome numbers of the different Pistacia species, revealed by these studies, are questionable due to the fact that poor chromosome counting protocols were used, and these protocols are hampered by the extremely small-sized chromosomes of Pistacia species. The aim of this study was to develop a more effective method to resolve the chromosome numbers in Pistacia species using a fluorescent microscope. The method described here is modified from the Sigma Plant Protoplast Digest/Wash Solution protocol. The method used here is highly effective for karyotyping analysis and studying population genetics of Pistacia species. Moreover, it is easy and can be reproduced for other species that have smaller chromosomes. This method can be used for plant herbarium specimens or field plants. This study provides valuable chromosomal data for cytogeneticists and plant breeders who are working on this genus. It provides additional insight into understanding the taxonomic and phylogenetic relationships among Pistacia species. The chromosomes described here are also suitable for gene and genome mapping.

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Al-Saghir, M. , Baker, S. and Pusok, R. (2014) Effective Method to Resolve the Chromosome Numbers in Pistacia Species (Anacardiaceae). American Journal of Plant Sciences, 5, 2913-2916. doi: 10.4236/ajps.2014.520306.

Conflicts of Interest

The authors declare no conflicts of interest.

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