**Acknowledgements**

if S-like RNase clade II alone is viewed as (Fig. 5). Just 16 groupings in this specific clade can be discovered, which can be reflected inside aggregate quantities of derived adjust at every amino p deposit, however, the genuine example of amino p substitutions over the quality takes after that inside alternate examinations. Also, most in the saved amino p buildups are

**Figure 5.** Phylogenetic hypothesis of relationships among S- and S-like RNase gene sequences with major clades la‐ beled according to the plant family of origin and their inferred function (S- or S-like). Modified from Steinbachs and

In the analysis of S-RNase sequences via *P. inflata*, Wang et al. (2001) supplied evidence pertaining to recombination from the S-RNase gene. It has been determined that at the very least, now and again, homology between S-RNases varied from one end of the gene to the other, as an example, the 50 stop of S19-RNase has been closely linked to S2-RNase and 30 stop was closely linked to S8-RNase. Hence, while youwill find conceptual issues in accepting that recombination cannot only happen from the S-locus; however, within S-RNases themselves,

Holsinger (2002); Bayesian analysis of DNA sequence data [with permission from ref. 102].

correspondingly rationed inside S-like RNase II clade as theS-RNase clades (Fig. 5).

180 Plants for the Future

The author would like to thank the Shahid Chamran University of Ahvaz, Iran. The author is also grateful to Ms. Kh. Chenaneh-Hanoni for helping prepare the facilities and for her overall assistance in undertaking this study. The literature citations and permissions given for the illustrations used are likewise much appreciated by the author.
