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Publikation

Hamdi, I.; Elleuch, A.; Bessaies, N.; Grubb, C. D.; Fakhfakh, H. First report of Citrus viroid V in North Africa J Gen Plant Pathol 81, 87-91, (2015) DOI: 10.1007/s10327-014-0556-9

We tested citrus samples from Tunisia using reverse transcription-polymerase chain reaction (RT-PCR), and for the first time, Citrus viroid V (CVd-V) was reported in North Africa. Fourteen of 38 tested citrus trees were infected by CVd-V including the majority of varieties grown in Tunisia. Some RT-PCR results were also supported by biological indexing. After sequencing the RT-PCR products, three new CVd-V variants were identified, showing 80–91 % nucleotide sequence identity with those reported previously. Based on phylogenetic analysis using all CVd-V sequences in GenBank, two main CVd-V groups were identified. Furthermore, construction of a genetic network of the detected haplotypes using the same sequences shows a clear geographical structuring of Tunisian CVd-V variants.
Publikation

Wasternack, C. How Jasmonates Earned their Laurels: Past and Present Journal of Plant Growth Regulation 34 (4), 761-794, (2015) DOI: 10.1007/s00344-015-9526-5

The histories of research regarding all plant hormones are similar. Identification and structural elucidation have been followed by analyses of their biosynthesis, distributions, signaling cascades, roles in developmental or stress response programs, and crosstalk. Jasmonic acid (JA) and its derivatives comprise a group of plant hormones that were discovered recently, compared to auxin, abscisic acid, cytokinins, gibberellic acid, and ethylene. Nevertheless, there have been tremendous advances in JA research, following the general progression outlined above and parallel efforts focused on several other “new” plant hormones (brassinosteroids, salicylate, and strigolactones). This review focuses on historical aspects of the identification of jasmonates, and characterization of their biosynthesis, distribution, perception, signaling pathways, crosstalk with other hormones and roles in plant stress responses and development. The aim is to illustrate how our present knowledge on jasmonates was generated and how that influences current efforts to extend our knowledge.
Publikation

Li, G.; Goyal, G.S.; Abel, S.; Quiros, C.F. Inheritance of three major genes involved in the synthesis of aliphatic glucosinolates in <em>Brassica oleracea</em> J Amer Soc Hort Sci 126, 427 - 431, (2001)

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