maize mutant phenotypes

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                Lesion mimic3
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            Eighth leaf of Les3-A781 homozygous mutant plant showing various sizes of necrotic lesions (extreme expression) (photo courtesy D. Hoisington)
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                Lesion mimic4
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            Section of a Les4-N1375/+, mutant, 8th leaf, showing many small necrotic lesions with white centers, some in clusters.
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                Lesion mimic4
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            Mid section of A Les4-N1375/+ mutant plant at flowering,  in M14/W23 background, showing striking dark brown lesions on leaf sheath but not on ear.  Lesions first appear just before flowering, enlarge  and spread rapidly over whole plant in a few days causing quick plant senescence.
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                Lesion mimic5
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            Cross-section of a mature 8th leaf from a Les5-N1449/+  mutant plant, showing many small chlorotic spots, some of which have bleached to white
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                Lesion mimic6
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            Two Leaf sections of a Les6-1451/+ mutant plant in a Mo20W background, immature (top) and mature (bottom) 8th leaf, in Mo20W background, showing developmental sequence of lesion formation in this mutant.
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                Lesion mimic7
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            Lesion mimic:  Section of the 8th leaf of a Les7-N1461/+ heterozygous mutant plant showing many small round chlorotic lesions.
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                Lesion mimic8
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            Lesion mimic:  Section of 8th leaf of homozygous Les8-N2005 mutant plant, showing many distinct necrotic lesions. Compare with heterozygote.
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                Lesion mimic9
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            Section of the eighth leaf of a Les9-N2008/+ heterozygous mutant plant, M14/W23 background, showing profuse tiny lighter green pre-lesion spots.
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                Lesion mimic10
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            Lesion mimic; genetic modifiers:  8th leaf of two Les10-A607/+ heterozygous mutant plants, showing , on left, typical expression in M14/W23 outcross and, right, strikingly fewer lesions, better color and stronger growth in Mo20W outcross.
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                Lesion mimic12
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            Eighth leaf from mature Les12-1453/+ heterozygous mutant plant showing masses of tiny chlorotic lesions bunched in overlapping clusters and scattered larger white necrotic lesions
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                Lesion mimic15
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            Section of the eighth leaf of a Les15-N2007/+ heterozygous mutant plant yellow green midvein tissue and many small, pale green, chlorotic lesions and fewer slightly larger necrotic lesions which become white on an unhealthy yellowgreen leaf before senescence.
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                Lesion mimic17-2345
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            Lesion Mimic; transposon recovery: Section of the eighth leaf of a Les17-N2345/+ mutant plant showing so many lesions that the leaf has a yellow-green appearance. Also note an apparent revertant sector of normal green tissue and a few lighter green spots.
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                Lesion mimic17-2345
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            Lesion mimic; clustering:  Leaf of Les17-2345/+ heterozygous mutant plant, Mo20W background, showing many small chlorotic and necrotic lesions; some arranged in large clusters
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                Lesion mimic22
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            Leaf of a Les22 mutant plant showing phytoporphyria symptoms (lesions) in maize; encodes  uroporphyrinogen decarboxylase (UROD). 
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                Cutaneous porphyria
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            mutant gene encodes uroporphyrinogen decarboxylase (UROD).
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            Ring of brown aging skin spots on human forehead.
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