Basic mutant information   
Mutant name dnd1
Mutant/Transgenic mutant
Ecotype Col-0
Mutagenesis type EMS
(Semi-)Dominant/Recessive recessive
Description Early senescence-associated phenotypes (such as loss of chlorophyll, expression level of senescence-associated genes, H(2)O(2) generation, lipid peroxidation, tissue necrosis, and increased salicylic acid levels) were more prominent in dnd1 leaves compared to the wild type. The Arabidopsis (Arabidopsis thaliana) mutant dnd1 lacks a plasma membrane-localized cation channel (CNGC2).
References
1: Ma W, Smigel A, Walker RK, Moeder W, Yoshioka K, Berkowitz GA
Leaf senescence signaling: the Ca2+-conducting Arabidopsis cyclic nucleotide gated channel2 acts through nitric oxide to repress senescence programming.
Plant Physiol. 2010 Oct;154(2):733-43

Mutated genes   
Locus name AT5G15410
Alias DND1
Organism Arabidopsis thaliana
Description defense, no death' gene (DND1) encodes a mutated cyclic nucleotide-gated cation channel; Same as CNGC2. plasma membrane-localized cation channel (CNGC2).
Phenotype information   
Natural senescenceChlorophyll contentlow
Leaf coloryellow
Marker gene expressionyes