From the standpoint of soil ecology , the direct effects of allelochemicals from crop root exudates on soil biota ( bacteria , fungi , nematode etc . ) were specifically discussed , and the key function of allelochemicals from root exudates in soil was presented 还重点列举了一些作物根分泌的化感物质对土壤生物产生的直接和间接影响,阐明了根分泌的化感物质在土壤中所起的重要化感作用。
As allelochemicals from plant root exudates are becoming a hotspot in the field of soil ecology , such problems as the nondestructive techniques for collecting in - situ and the identification of allelochemicals from plant root exudates should be emphasized in the future 根分泌物化感作用的研究已成为土壤生态学领域的热点与前沿课题,自然条件下原位收集鉴定植物根系分泌物中的化感物质等诸多问题是该领域今后的研究重点。
Recovery estimated from the safh4 plant line indicates that 9 ( jl g of pure active scfv can be obtained per gram of fresh leaf material , on a laboratory scale . the production of the scfv antibody proteins in plant root exudates was also addressed . the scfv antibody protein was continuously secreted from the transgenic tobacco roots into a simple hydroponic medium at 630 to 760 ng g - 1 dry weight of root day - 1 在水培条件下,转基因烟草根可连续分泌具有活性的重组抗乙肝病毒表面抗原pres1 ( 20 - 47 )单链抗体进入到液体培养液中,不须破坏植物即可连续获得重组单链抗体,为利用植物生物反应器连续生产单链抗体开辟了新途径。