利用生物信息学方法对玉米基因组中的GATA基因家族成员进行鉴定，并对其理化性质、染色体分布、系统进化、基因结构、保守基序进行分析，并分析其在热胁迫前后的表达水平变化，以期为玉米GATA 基因功能研究奠定基础。结果表明，在玉米基因组中共鉴定到37个GATA基因，它们不均匀地分布在10条染色体上，均含有CX₂CX₁₈CX₂C保守基序；进化树分析表明,玉米GATA基因家族可分为 A、B、C、D 4组，分别包含21、10、4、2个基因，同一组内的基因具有相似的基因结构。热胁迫处理后，玉米GATA家族成员中表达上调的基因有9个，包含A组5个（Zm00001d010785、Zm00001d023539、Zm00001d041883、Zm00001d025953、Zm00001d031135），B组2个（Zm00001d011771、Zm00001d034751），C组2个（Zm00001d036494、Zm00001d014656）；下调的基因有2个，均属于B组（Zm00001d016361和Zm00001d009193）。说明上调表达的这9个GATA基因在应答热胁迫过程中可能发挥重要作用。

The members of GATA gene family were identified, their physicochemical characteristics,chromosome distribution, phylogenetic evolution, gene structure and conserved motif were analyzed by bioinformatics,and their expression levels were analyzed under heat stress,so as to provide basis for function study of GATA genes.The results showed that a total of 37 GATA genes were identified,which were unevenly distributed on 10 chromosomes in maize genome, and harbored a conserved motif CX₂CX₁₈CX₂C.Phylogenetic tree analysis showed that the maize GATA gene family could be divided into four groups,A,B,C and D,containing 21,10,4 and 2 genes,respectively,and the genes in the same group had similar gene structure.Nine GATA genes including five group A genes( Zm00001d010785,Zm00001d023539, Zm00001d041883, Zm00001d025953 and Zm00001d031135), two group B genes(Zm00001d011771 and Zm00001d034751)and two group C genes(Zm00001d036494 and Zm00001d01 4656) were up-regulated,and two group B GATA genes(Zm00001d016361 and Zm00001d009193)were down-regulated under heat stress.This study suggested the above up-regulated nine GATA genes may play important roles in response to heat stress.