linaria vulgaris
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2019 ◽  
Author(s):  
Ivan A. Vladimirov ◽  
Olga A. Pavlova ◽  
Dmitrii E. Polev ◽  
Denis I. Bogomaz

AbstractThe phenomenon of evolutionary fixation of agrobacterial sequences (cT-DNA or cellular transferred DNA) in plant genomes is well known in nature. It was previously considered, that all of cT-DNA-containing species, except Linaria vulgaris, have multiple inverted cT-DNA repeats. Deep studying of general features of cT-DNA brings us closer to understanding the causes and mechanisms of its fixation in plants genomes. We combined multiple long-range PCR with genome walking for studying extended structure of cT-DNA. Using digital PCR method, we estimated copy number of cT-DNA elements. NGS with low covering allows us to develop a set of microsatellite markers, also used for copy number estimation. According to new data, cT-DNA elements in L. vulgaris form an inverted complex repeat of two simple direct repeats. After cT-DNA integration, cT-DNA sequence duplication events took place at least two times. The phenomenon of concerted evolution of cT-DNA sequences as well as some details of this process have been shown for the first time.We have shown, that L. vulgaris, as well as other cT-DNA containing species, has inverted structure of repeats. This fact indicates possible existence of some general causes and mechanisms of cT-DNA fixation in plant genomes during evolution.


2019 ◽  
Vol 135 ◽  
pp. 224-232 ◽  
Author(s):  
Ana Sedlarević Zorić ◽  
Filis Morina ◽  
Ivo Toševski ◽  
Tomislav Tosti ◽  
Jelena Jović ◽  
...  

PROTOPLASMA ◽  
2018 ◽  
Vol 255 (6) ◽  
pp. 1763-1776 ◽  
Author(s):  
Jacek Jachuła ◽  
Agata Konarska ◽  
Bożena Denisow

2018 ◽  
Vol 72 (2) ◽  
pp. 582-587 ◽  
Author(s):  
Chao Ma ◽  
Naoko Higashi ◽  
Kyoko Ishiguro ◽  
Ying Zhao ◽  
Linkui Zhang ◽  
...  

BMC Ecology ◽  
2016 ◽  
Vol 16 (1) ◽  
Author(s):  
Jacek Bartlewicz ◽  
Bart Lievens ◽  
Olivier Honnay ◽  
Hans Jacquemyn

2015 ◽  
Vol 8 (3) ◽  
pp. 276-283
Author(s):  
Travis L. Almquist ◽  
Katie L. Wirt ◽  
Jason W. Adams ◽  
Rodney G. Lym

AbstractYellow toadflax (Linaria vulgaris P. Mill.) infestations in North Dakota increased 300-fold from 1997 to 2011, when the plant was added to the state noxious weed list. Long-term control of other invasive species had included biological control agents, but no effective agents for yellow toadflax had been identified, so a control program using herbicides was needed. The objective was to shift from short-term control with picloram applied in the fall at maximum allowed rates to long-term management with minimal nontarget species impact with an adaptive management approach. Yellow toadflax control was increased from an average of 64% with picloram at 1,120 g ha−1 alone 12 mo after treatment (MAT) to over 90% when applied with diflufenzopyr while the picloram rate was reduced 50%. Yellow toadflax control with aminocyclopyrachlor applied at 140 g ha−1 ranged from 91 to 49% 12 MAT when applied in June or September, respectively. In contrast, yellow toadflax control with picloram plus dicamba plus diflufenzopyr averaged > 90% regardless of application date during the growing season. Land managers now have at least two options for long-term yellow toadflax control with a wide window of application timing. The goal of replacing a single high-use–rate herbicide treatment was met but both picloram and aminocyclopyrachlor can injure many desirable forbs. However, application timing can now be adjusted to have the least impact on nontarget species. The adaptive development program led to a 58% reduction in yellow toadflax infestations in North Dakota by 2014.


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