Abstract
The fungus Magnaporthiopsis maydis is a soil-borne, seed-borne vascular wilt pathogen that causes severe damage to sensitive Zea mays L. (maize) hybrids throughout Egypt, Israel, India, Spain, and other countries. It can undergo virulence variations and survive as spores, sclerotia, or mycelia on plant residues. Maize, Lupinus termis L. (lupine) and Gossypium hirsutum L. (cotton) are the only known hosts of M. maydis. Identification of new plant hosts that can assist in the survival of the pathogen is an essential step in restricting disease outbreak and spread. Here, by field survey and growth chamber pathogenicity test, accompanied by real-time PCR analysis, the presence of the fungal DNA inside the roots of cotton (Pima cv.) plants was confirmed in infested soil. Moreover, we identified M. maydis in Setaria viridis (green foxtail) and Citrullus lanatus (watermelon, Malali cv.). Infected watermelon sprouts had delayed emergence and development, were shorter, and had reduced root and shoot biomass. M. maydis infection also affected root biomass and phenological development of cotton plants but caused only mild symptoms in green foxtail. No M. maydis DNA was detected in Hordeum vulgare (barley, Noga cv.) and the plants showed no disease symptoms except for reduced shoot weight. These findings are an important step towards uncovering the host range and endophytic behavior of M. maydis, encouraging expanding this evaluation to other plant species.
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Claims 11
Claim · model-written summary
Magnaporthiopsis maydis DNA was confirmed inside the roots of cotton in infested soil.
- Taxon
- cotton
Gossypium hirsutume2 - Material
- Pima cv.e2
- Interactor
- Magnaporthiopsis maydisMagnaporthiopsis maydise1pathogen
- Outcome
- presence of the fungal DNA inside the rootse2
- Setting
- infested soile2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The fungus Magnaporthiopsis maydis is a soil-borne, seed-borne vascular wilt pathogen”
e2“Here, by field survey and growth chamber pathogenicity test, accompanied by real-time PCR analysis, the presence of the fungal DNA inside the roots of cotton (Pima cv.) plants was confirmed in infested soil”
Claim · model-written summary
Magnaporthiopsis maydis was identified in watermelon (Malali cv.).
- Taxon
- Citrullus lanatus
Citrullus lanatuse3 - Material
- Malali cv.e3
- Interactor
- M. maydisMagnaporthiopsis maydise3pathogen
- Outcome
- identified M. maydise3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Moreover, we identified M. maydis in Setaria viridis (green foxtail) and Citrullus lanatus (watermelon, Malali cv.)”
Claim · model-written summary
Magnaporthiopsis maydis was identified in green foxtail.
- Taxon
- Setaria viridis
.jpg?width=60)
Setaria viridise3 - Interactor
- M. maydisMagnaporthiopsis maydise3pathogen
- Outcome
- identified M. maydise3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e3“Moreover, we identified M. maydis in Setaria viridis (green foxtail) and Citrullus lanatus (watermelon, Malali cv.)”
Claim · model-written summary
Magnaporthiopsis maydis infection delayed emergence and development of watermelon sprouts.
- Taxon
- watermelonCitrullus lanatuse4
- Treatment
- M. maydis infectione5
- Interactor
- M. maydisMagnaporthiopsis maydise5pathogen
- Outcome
- emergence and developmente4
- Direction
- delayede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Infected watermelon sprouts had delayed emergence and development, were shorter, and had reduced root and shoot biomass”
e5“M. maydis infection also affected root biomass and phenological development of cotton plants but caused only mild symptoms in green foxtail”
Claim · model-written summary
Magnaporthiopsis maydis infection reduced root and shoot biomass of watermelon sprouts.
- Taxon
- watermelonCitrullus lanatuse4
- Treatment
- M. maydis infectione5
- Interactor
- M. maydisMagnaporthiopsis maydise5pathogen
- Outcome
- root and shoot biomasse4
- Direction
- reducede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Infected watermelon sprouts had delayed emergence and development, were shorter, and had reduced root and shoot biomass”
e5“M. maydis infection also affected root biomass and phenological development of cotton plants but caused only mild symptoms in green foxtail”
Claim · model-written summary
Magnaporthiopsis maydis infection made watermelon sprouts shorter.
- Taxon
- watermelonCitrullus lanatuse4
- Treatment
- M. maydis infectione5
- Interactor
- M. maydisMagnaporthiopsis maydise5pathogen
- Outcome
- sproutse4
- Direction
- shortere4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Infected watermelon sprouts had delayed emergence and development, were shorter, and had reduced root and shoot biomass”
e5“M. maydis infection also affected root biomass and phenological development of cotton plants but caused only mild symptoms in green foxtail”
Claim · model-written summary
Magnaporthiopsis maydis infection affected root biomass and phenological development of cotton.
- Taxon
- cottonGossypium hirsutume5
- Treatment
- M. maydis infectione5
- Interactor
- M. maydisMagnaporthiopsis maydise5pathogen
- Outcome
- root biomass and phenological developmente5
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“M. maydis infection also affected root biomass and phenological development of cotton plants but caused only mild symptoms in green foxtail”
Claim · model-written summary
Magnaporthiopsis maydis infection caused only mild symptoms in green foxtail.
- Taxon
- green foxtaile5
- Treatment
- M. maydis infectione5
- Interactor
- M. maydisMagnaporthiopsis maydise5pathogen
- Outcome
- symptomse5
- Qualifier
- only milde5
Not reportedComparatorDirection
Verbatim
e5“M. maydis infection also affected root biomass and phenological development of cotton plants but caused only mild symptoms in green foxtail”
Claim · model-written summary
No Magnaporthiopsis maydis DNA was detected in barley.
- Taxon
- Hordeum vulgare
.jpg?width=60)
Hordeum vulgaree6 - Material
- Noga cv.e6
- Interactor
- M. maydisMagnaporthiopsis maydise6pathogen
- Outcome
- M. maydis DNAe6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e6“No M. maydis DNA was detected in Hordeum vulgare (barley, Noga cv.)”
Claim · model-written summary
Barley plants showed no disease symptoms.
- Taxon
- barleyHordeum vulgaree6
- Outcome
- disease symptomse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“No M. maydis DNA was detected in Hordeum vulgare (barley, Noga cv.)”
e7“the plants showed no disease symptoms except for reduced shoot weight”
Claim · model-written summary
Barley shoot weight was reduced.
- Taxon
- barleyHordeum vulgaree6
- Outcome
- shoot weighte7
- Direction
- reducede7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“No M. maydis DNA was detected in Hordeum vulgare (barley, Noga cv.)”
e7“the plants showed no disease symptoms except for reduced shoot weight”
The same questions in other papers
infection · growth · Citrullus lanatus (watermelon)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
infection · quality: phytochemicals · Gossypium hirsutum (cotton)Results agree
1 paper in the same direction as this paper
- negative
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.