biostudies-literatureGuo XNational Key Research and Development Program of China2074https://www.ebi.ac.uk/biostudies/studies/S-EPMC9416630biostudies-literatureUnknown11(16)Encoding a glutathione S-transferase (GST) and conferring resistance to Fusarium head blight (FHB), Fhb7 was successfully isolated from the newly assembled Thinopyrum elongatum genome by researchers, with blasting searches revealing that Thinopyrum gained Fhb7 through horizontal gene transfer from an endophytic Epichloë species. On the contrary, our molecular evidence reveals that the homologs of Fhb7 are distributed commonly in Triticeae. Other than Thinopyrum, the Fhb7 homologs were also detected in four other genera, Elymus, Leymus, Roegneria and Pseudoroegneria, respectively. Sequence comparisons revealed that the protein sequences were at least 94% identical across all of the Fhb7 homologPlants (Basel, Switzerland)Distribution, Polymorphism and Function Characteristics of the GST-Encoding Fhb7 in Triticeae.PMC94166302016YFD0102001Wang MKang HGuo XZhou YHan FfalseDistribution, Polymorphism and Function Characteristics of the GST-Encoding Fhb7 in Triticeae.Encoding a glutathione S-transferase (GST) and conferring resistance to Fusarium head blight (FHB), Fhb7 was successfully isolated from the newly assembled Thinopyrum elongatum genome by researchers, with blasting searches revealing that Thinopyrum gained Fhb7 through horizontal gene transfer from an endophytic Epichloë species. On the contrary, our molecular evidence reveals that the homologs of Fhb7 are distributed commonly in Triticeae. Other than Thinopyrum, the Fhb7 homologs were also detected in four other genera, Elymus, Leymus, Roegneria and Pseudoroegneria, respectively. Sequence comparisons revealed that the protein sequences were at least 94% identical across all of the Fhb7 homolog2022-01-01T00:00:00Z2022 Aug2025-04-18T22:22:23.319Z2024-11-13T23:18:42.388ZS-EPMC94166303601537810.3390/plants11162074