Abstract
Wheat Streak Mosaic Virus (WSMV) causes extensive economic damage to wheat (Triticum aestivum L.) in many regions of the world. The present study was conducted to find out if the variations in biochemical changes in reaction to WSMV infection in F 2 generation of either potentially resistant (Adl-Cross) or susceptible (Marvdasht) cultivars are genetically inherited. A factorial experiment was employed with two factors of: genotypes (Adl-Cross, Marvdasht, reistant F 2s and susceptible F 2s), and inoculation (either infected or non infected) at Shiraz University, Iran during 2007-2009. Leaves of seedlings were harvested at different time intervals for total protein, total phenolic compounds and peroxidase activity analysis. Results indicated that virus infection caused stress in all genotypes. Total protein reduction in the inoculated resistant Adl-Cross and in its F2s was not significant whereas it was significant in the inoculated susceptible Marvdasht and its susceptible F 2s. Viral infection reduced peroxidase activity in the susceptible Marvdasht cultivar and in its susceptible F 2s whereas in Adl-Cross and in its resistant F 2s the activity was increased. It is speculated that peroxidase enzyme may affect synthesis of compounds effective in resistance to wheat streak mosaic virus . The trend in the increase in phenolic compounds indicated that their formation and accumulation is faster in the resistant genotypes as compared with the susceptible ones. It appears that the extent of total protein, total phenolic compounds as well as peroxidase activity changes in response to WSMV are inherited by the next generations and these biochemical changes in a genotype could be adopted as selective factors in the preliminary experimental stages of selection for tolerance to the virus.
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Claims 8
Claim · model-written summary
WSMV infection caused stress in all tested wheat genotypes.
- Taxon
- Wheat
Triticum aestivumt0 - Interactor
- WSMVt0pathogen
- Outcome
- stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results indicated that virus infection caused stress in all genotypes.”
t0“Influence of WSMV Infection on Biochemical Changes in Two Bread Wheat Cultivars and in Their F2 Populations”
Claim · model-written summary
Protein reduction after inoculation was not significant in resistant Adl-Cross and its F2 plants.
- Taxon
- WheatTriticum aestivumt0
- Material
- Adl-Crosse0
- Treatment
- inoculatede0
- Interactor
- WSMVt0pathogen
- Outcome
- Total proteine0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total protein reduction in the inoculated resistant Adl-Cross and in its F2s was not significant”
t0“Influence of WSMV Infection on Biochemical Changes in Two Bread Wheat Cultivars and in Their F2 Populations”
Claim · model-written summary
Protein reduction after inoculation was significant in susceptible Marvdasht and its F2 plants.
- Taxon
- WheatTriticum aestivumt0
- Material
- Marvdashte0
- Treatment
- inoculatede0
- Interactor
- WSMVt0pathogen
- Outcome
- Total proteine1
- Direction
- reductione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“whereas it was significant in the inoculated susceptible Marvdasht and its susceptible F 2s.”
e1“Total protein reduction in the inoculated resistant Adl-Cross and in its F2s was not significant”
t0“Influence of WSMV Infection on Biochemical Changes in Two Bread Wheat Cultivars and in Their F2 Populations”
Claim · model-written summary
Virus infection reduced peroxidase activity in Marvdasht and its susceptible F2 plants.
- Taxon
- WheatTriticum aestivumt0
- Material
- Marvdashte0
- Treatment
- Viral infectione0
- Interactor
- WSMVt0pathogen
- Outcome
- peroxidase activitye0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Viral infection reduced peroxidase activity in the susceptible Marvdasht cultivar and in its susceptible F 2s”
t0“Influence of WSMV Infection on Biochemical Changes in Two Bread Wheat Cultivars and in Their F2 Populations”
Claim · model-written summary
Virus infection increased peroxidase activity in Adl-Cross and its resistant F2 plants.
- Taxon
- WheatTriticum aestivumt0
- Material
- Adl-Crosse0
- Treatment
- Viral infectione1
- Interactor
- WSMVt0pathogen
- Outcome
- peroxidase activitye1
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“whereas in Adl-Cross and in its resistant F 2s the activity was increased.”
e1“Viral infection reduced peroxidase activity in the susceptible Marvdasht cultivar and in its susceptible F 2s”
t0“Influence of WSMV Infection on Biochemical Changes in Two Bread Wheat Cultivars and in Their F2 Populations”
Claim · model-written summary
Phenolic compounds accumulated faster in resistant than susceptible genotypes.
- Taxon
- WheatTriticum aestivumt0
- Interactor
- WSMVt0pathogen
- Outcome
- formation and accumulatione0
- Direction
- fastere0
- Comparator
- susceptible onese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The trend in the increase in phenolic compounds indicated that their formation and accumulation is faster in the resistant genotypes as compared with the susceptible ones.”
t0“Influence of WSMV Infection on Biochemical Changes in Two Bread Wheat Cultivars and in Their F2 Populations”
Claim · model-written summary
The authors infer that protein, phenolic and peroxidase responses to WSMV are inherited.
- Taxon
- WheatTriticum aestivumt0
- Interactor
- WSMVe0pathogen
- Outcome
- total protein, total phenolic compounds as well as peroxidase activity changese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It appears that the extent of total protein, total phenolic compounds as well as peroxidase activity changes in response to WSMV are inherited by the next generations”
t0“Influence of WSMV Infection on Biochemical Changes in Two Bread Wheat Cultivars and in Their F2 Populations”
Claim · model-written summary
The authors propose these biochemical responses as early selection factors for virus tolerance.
- Taxon
- WheatTriticum aestivumt0
- Outcome
- selective factors in the preliminary experimental stages of selection for tolerance to the viruse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“these biochemical changes in a genotype could be adopted as selective factors in the preliminary experimental stages of selection for tolerance to the virus.”
t0“Influence of WSMV Infection on Biochemical Changes in Two Bread Wheat Cultivars and in Their F2 Populations”
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