Abstract Background The plant hormone cytokinin regulates growth and development of roots and shoots in opposite ways. In shoots it is a positive growth regulator whereas it inhibits growth in roots. It may be assumed that organ-specific regulation of gene expression is involved in these differential activities. but little is known about it. https://ffxexyie9ra70.timeblog.net/70687804/current-data-on-rickettsia-felis-occurrence-in-vectors-human-and-animal-hosts-in-europe-a-scoping-review