Table 5.
Floral genes |
Defense genes |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
C. b. SAMT | A. m. BAMT | S. f. SAMT | P. h. BSMTs | N. s. BSMT | H. c. SAMT | A. b. SAMT | A. m. SAMT | A. t. BSMT | A. l. BSMT | |
Tissue specific expression (in decreasing order) | Petals, other parts of flower, leaves; | Upper and lower petal lobes | Petals | Limbs, tubes | Petals, stamens, styles and stigmas; | Petals, gynecium | Hairy roots | Petal lobes, sepals, leaves, tubes; | Flowers, leaves, stems | Flowers, leaves |
Method used Regulation of expression | Northern blot Developmental | Northern blot Developmental, rhythmic (max. 6 pm), circadian | Northern blot Developmental, rhythmic (max. 6 pm–midnight), circadian | Northern blot Developmental, rhythmic (nocturnal) | Northern blot Developmental, rhythmic (max. 6 pm), circadian | Northern blot Developmental, rhythmic (max. 6pm) | Northern blot nd |
RT-PCR nd |
RT-PCR nd |
RT-PCR nd |
Induction by | nd | nd | nd | nd | nd | nd | SA*, in hairy roots | SA*, JA*, only in flowers | alamethicin, MeJA*, herbivory, uprooting, physical wounding, in flowers and leaves | nd |
Activity (pkats/g FW) | ||||||||||
SA* | 28.1 | 0 | 235 | 259.6 | 0.56 | 9.8 | nd | nd | nd | nd |
BA* | nd | 36 | 29.4 | 58.3 | 2.2 | 0 | nd | nd | nd | nd |
Suggested function in planta | MeSA* production in flowers | MeBA* production in flowers | MeBA* and MeSA* production in flowers | MeBA* production in flowers | MeBA* and MeSA* production in flowers | MeSA* production in flowers | Detoxification of SA* into MeSA* in hairy roots | Defense through production of MeSA* in flowers | Defense through production of MeSA*, occasionally MeBA* in plant | nd |
References | Dudareva et al. (1998), Ross (2002) | Dudareva et al. (2000), Kolosova et al. (2001a,b) | Pott et al. (2003, 2004) | Negre et al. (2003); Dudareva and Kish, unpublished | Pott et al. (2004); Fig. 3 | Pott (2003); Piechulla, Heidebrecht and Piechulla, unpublished | Fukami et al. (2002) | Negre et al. (2002) | Chen et al. (2003) | Chen et al. (2003) |
SA: salicylic acid; BA: benzoic acid; MeSA: methyl salicylate; MeBA: methyl benzoate; JA: jasmonic acid; MeJA: methyl jasmonate.