Relationship between Frost Tolerance and Cold‐Induced Resistance of Spring Barley, Meadow Fescue and Winter Oilseed Rape to Fungal Pathogens

Płażek, Agnieszka; Hura, Katarzyna; Żur, Iwona; Niemczyk, E.

doi:10.1046/j.1439-037x.2003.00052.x

Cited by 17 publications

(8 citation statements)

References 31 publications

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“…As noted, dehydrins interact with soluble carbohydrates, and after prolonged CA, sucrose reached concentrations in the leaves as high as 38 mg g -1 . The time course of the increase in sugar concentrations in CA Brachypodium is similar to that reported for Arabidopsis as well as cereal crops (Plazek et al 2003;Kamata and Uemura 2004;Klotke et al 2004). Although this concentration is sufficient to lower the freezing point by a fraction of a degree, more importantly sucrose has additional roles in directly stabilizing membranes (Strauss and Hauser 1986) and can scavenge ROS even more efficiently than dedicated scavenging enzymes (Nishizawa-Yokoi et al 2008;Stoyanova et al 2011;Tarkowski and Van den Ende 2015).…”

Section: The Sustained Response To Cold Acclimationsupporting

confidence: 78%

TheBrachypodium distachyoncold-acclimated plasma membrane proteome is primed for stress resistance

Juurakko

Bredow

Nakayama

et al. 2021

Preprint

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In order to survive sub-zero temperatures, some plants undergo cold acclimation where low, non-freezing temperatures and/or shortened day lengths allow cold hardening and survival during subsequent freeze events. Central to this response is the plasma membrane, where low-temperature is perceived and cellular homeostasis must be preserved by maintaining membrane integrity. Here, we present the first plasma membrane proteome of cold-acclimatedBrachypodium distachyon, a model species for the study of monocot crops. A time course experiment investigated cold acclimation-induced changes in the proteome following two-phase partitioning plasma membrane enrichment and label-free quantification by nano-liquid chromatography mass spectrophotometry. Two days of cold acclimation were sufficient for membrane protection as well as an initial increase in sugar levels, and coincided with a significant change in the abundance of 154 proteins. Prolonged cold acclimation resulted in further increases in soluble sugars and abundance changes in more than 680 proteins, suggesting both a necessary early response to low-temperature treatment, as well as a sustained cold acclimation response elicited over several days. A meta-analysis revealed that the identified plasma membrane proteins have known roles in low-temperature tolerance, metabolism, transport, and pathogen defense as well as drought, osmotic stress and salt resistance suggesting crosstalk between stress responses, such that cold acclimation may prime plants for other abiotic and biotic stresses. The plasma membrane proteins identified here present keys to an understanding of cold tolerance in monocot crops and the hope of addressing economic losses associated with modern climate-mediated increases in frost events.

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Section: The Sustained Response To Cold Acclimationsupporting

confidence: 78%

TheBrachypodium distachyoncold-acclimated plasma membrane proteome is primed for stress resistance

Juurakko

Bredow

Nakayama

et al. 2021

Preprint

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“…Levels of secondary metabolites (ZEA and OA) in our experiment were not of toxic significance for both animals and human beings. However, in epidemic years with suitable conditions (temperature and humidity), heavy infection with Fusarium pathogens may develop in herbage (Plłażek et al. 2003).…”

Section: Resultsmentioning

confidence: 99%

Accumulation of Secondary Metabolites Formed by Field Fungi in Autumn‐Saved Herbage

Boberfeld¹,

Kostecki²,

Kaczmarek³

et al. 2006

J Agronomy Crop Science

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Taking into consideration the fact that in recent years weather conditions were sufficient to feed cattle on pasture until late autumn or early winter, an experiment was carried out during the years 2000 and 2003 on a low input pasture to show the effect of the pre-utilization date (June, July, August) and the harvest date in the autumn/winter period (November, December, January) on the accumulation of the following secondary metabolites formed by fungi: ergosterol (ERG), ochratoxin A (OA) and zearalenone (ZEA) in the autumn-saved herbage. The highest levels of concentration of these metabolites were 470.3, 1.63 and 34.9 ng g )1 respectively. Lower ERG levels were influenced by later pre-utilization, which is a logical consequence of the shorter period of time for field toxigenic fungi development. Preutilization in August is strongly recommended as the concentration of ochratoxin A (OA) in the autumn-saved herbage in January was the lowest (not much changed in comparison with earlier harvest). Later harvest was also affected by higher ZEA concentrations in the analysed samples, which indicates that, under conditions of prolonged pasture utilization, field toxigenic fungi (producing ZEA) increased their population and had proper weather conditions stimulating the biosynthesis of the toxin. The later suggests that the final harvest of autumnsaved herbage should be made rather in December than in January. Higher levels of humidity influenced higher concentrations of ERG and ZEA in the autumn-saved herbage.

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“…In general, increased antioxidative activity, in which phenolic compounds are involved, neutralizes the overdose of ROS released under the influence of stress factors, helps plants surviving both cold (Scebba et al 1999;Shigeoka et al 2002) and pathogen infection Hanifei et al 2013;Ivanov et al 2004;Király et al 2007;Kumar et al 2009;Płażek et al 2003).…”

Section: Introductionmentioning

confidence: 99%

Changes in phenolic acid abundance involved in low temperature and Microdochium nivale (Samuels and Hallett) cross-tolerance in winter triticale (x Triticosecale Wittmack)

et al. 2019

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Tolerance to the pink snow mould resulting from Microdochium nivale infection is an essential trait of triticale (x Triticosecale) for winter survival. In the present study, we aimed to verify whether the presence and concentration of free and cell wall-bound phenolic acids are important factors in triticale responses to M. nivale infection. Based on 3 years' testing of triticale tolerance, 2 out of 92 doubled haploid triticale lines derived from 'Hewo' × 'Magnat' F 1 hybrid were selected, which are the most tolerant and the most sensitive to M. nivale infection. Plants were grown along with their parents under controlled conditions, pre-hardened and cold-hardened, while non-hardened plants served as the control. Hardened plants were covered with the artificial snow-imitating covers and inoculated with M. nivale mycelium, while the control plants were treated the same way except the infection. The aim of the study was to identify differences in the initial content and composition of phenolics under the influence of applied stresses. Conducted HPLC analysis showed that the most abundant were ferulic, rosmarinic, chlorogenic, sinapic, and trans-cinnamic acids. The contents of most of phenolics depended on genotype and growth conditions. Two cell wall-bound sinapic and trans-cinnamic acids, could be indicated as potentially related to the increased snow mould tolerance of winter triticale seedlings. A correlation between the total phenolic levels with the tolerance was not found; however, the proportion between the total levels of cell wall-bound and free phenolic compounds under low temperature could play a role prior to M. nivale infection. KeywordWinter triticale · Cold-hardening · Microdochium nivale · Cross-tolerance · Free phenolic acids · Cell wall-bound phenolic acids

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Relationship between Frost Tolerance and Cold‐Induced Resistance of Spring Barley, Meadow Fescue and Winter Oilseed Rape to Fungal Pathogens

Cited by 17 publications

References 31 publications

TheBrachypodium distachyoncold-acclimated plasma membrane proteome is primed for stress resistance

TheBrachypodium distachyoncold-acclimated plasma membrane proteome is primed for stress resistance

Accumulation of Secondary Metabolites Formed by Field Fungi in Autumn‐Saved Herbage

Changes in phenolic acid abundance involved in low temperature and Microdochium nivale (Samuels and Hallett) cross-tolerance in winter triticale (x Triticosecale Wittmack)

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