IEF method is particularly useful for separating isoenzymes, which are different forms of the same enzyme, often differing by only one or two amino-acid residues.

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#Id: 1070

#Unit 5. Developmental Biology

APETALA1 (Class A homeotic gene & meristem identity gene)

TF family -MADS

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#Id: 1071

#Unit 5. Developmental Biology

Arabidopsis that specify floral organ identity:

• APETALA1/ APETALA2

• APETALA3/PISTILLATA 

• AGAMOUS

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#Id: 1072

#Unit 5. Developmental Biology

Class A activity alone specifies sepals.

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#Id: 1073

#Unit 5. Developmental Biology

Class A and B activities are required for the formation of petals.

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#Id: 1074

#Unit 5. Developmental Biology

Class B and C activities form stamens.

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#Id: 1075

#Unit 5. Developmental Biology

Class C activity alone specifies carpels.