Figure 1.

Pylogenetic tree of (A) HKs, accession numbers from NCBI: Arabidopsis: At CRE1/AHK4, BAB33310; At AHK2, NP_568532; At AHK3, NP_564276; Lupines: L. albus HK1, ABJ74169; Maize: Z. mays HK2, BAD01584; Z. mays HK3, BAD01586; Z. mays HK1, NP_001104859; Rice: O. sativa HK3, AAP53311; O. sativa CRE1, ABF89563; Vitis: V. vinifera, CA O42401; V. vinifera, CA O41188; V. vinifera, CAO66151, (B) HPts, accession numbers from NCBI: Arabidopsis: At AHP1, NP_188788; At AHP2, NP_850649; At AHP3, NP_198750; At AHP4, NP_566544; At AHP5, NP_563684; Maize: Z. mays, BAC 06592; Z. mays, BAA82874; Populus: P. x canadensis HP3, CAH 56501; Rice: O. sativa, ATT69671; O. sativa, BAD87514; O. sativa, EAY75784; Vitis: V. vinifera, CAO71051; V. vinifera, CAN83997; V. vinifera, CAN69375; V. vinifera, CAO45819; (C) A-type RRs, accession numbers from NCBI: Arabidopsis: At RRa3, NP_176202; At RRa4, NP_172517; At RRa5, NP_190393; At RRa6, NP_201097; At RRa7, NP_17339; At RRa8, NP_181663; At RRa9, NP_191263; At RRa15, NP_177627; At RRa16, NP_181599; At RRa17, NP_567037; Maize: Z. mays RRa2, BAA 85113; Z. mays RRa4, BAB20579; Z. mays RRa6, BAB20581; Z. mays RRa5, BAB20580; Rice: O. sativa RRa4, NP_001045420; Vitis: V. vinifera, CAO41517; V. vinifera, CA O42848; V. vinifera, CA O40969; V. vinifera, CAO63061 and (D) B-type RRs accession numbers from NCBI: Arabidopsis: At RRb1, NP_850600; At RRb2, NP_193346; At RRb10, NP_194920; At RRb11, NP_176938; At RRb12, NP_180090; At RRb13, NP_180275; At RRb14, NP_178285; At RRb18, Q9FGT7; At RRb19, NP_175345; At RRb21, NP_196338; Maize: Z. mays RRb8, BAB41137; Z. mays RRb9, BAB55874; Rice: O. sativa RRb10, AAN52739; O. sativa RRb9, BAD72541; O. Sativa, BAC77080; S. asiatica, ABG35774; Vitis: V. vinifera, CAO22750; V. vinifera, CA O40068; V. vinifera, CAN70187; V. vinifera, CAO46698. The circled assignments correspond to sequences analyzed by real time PCR for Vitis gene expression. The phylogenetic tree based on the amino acid sequence was constructed using the PHYLIP programs, PRODIST and NEIGHBOR.⁵⁵