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nodulation n.生節(塊);有節 。

nodule

The hemocytes approached to the fungal spores 5 - 10min postinjection and some phagocytosed spores were observed 30min postinjection . at the same time , there appeared lots of nodules composed by numerous hemocytes in the hemolymph of the cockroach . p . americanna elemilated large amount of the fungal spores efficiently by phagocytosing and nodulation and the germinating of the spores was inhibited 當蜚蠊體腔內注入綠僵菌孢子后, 5 - 10min即可見血細胞向真菌孢子靠近, 30min后有孢子被吞噬入血細胞,同時血淋巴中出現了大量的、由血細胞包圍真菌孢子而形成的結節。

Genetic diversity and phylogeny of 55 slow - growing rhizobia isolated from peanut ( arachis hypogaea ) in china were determined by analysis of host - plant range , phynotype , 16s rrna rflp , 16s rrna sequence , 16s - 23s igs rflp , rapd , rep - pcr , dna - dna hybridization homology . at the same time , the competitive nodulation capacity of rhizobia , effect of host plants and soil ph on the rhizobia were determined for screening and improvement of high effective rhizobium inoculant 本研究采用宿主范圍試驗、表型性狀測定、 16srrna - rflp 、 16srrna序列分析、 16s - 23srdnaigsrflp分析、 rapd分析、 rep - pcr分析和dna - dna同源性分析等技術系統研究了從我國不同地域分離的55株花生根瘤菌的遺傳多樣性及其在根瘤菌系統發育中的地位和相互關系。

Plant assay was performed with the wild - type strain gx201 , the mutant strain gx217 and the function recovered strain rgx217 . the results indicate that the mutant strain gx217 showed a day delay in nodulation time and its abilities of nodule formation efficiency and competitive nodulation were apparently decreased compared with the parental strain gx201 respectively 通過對野生型菌株gx201 ,突變體菌株gx217及其功能互補菌株rgx217進行植株試驗,發現突變體菌株gx217在結瘤時間方面較野生型菌株gx201慢一天,其結瘤效率及競爭結瘤能力均比gx201明顯降低。

Compared to 042bm , the noea deletion mutant 042bma - km showed different degree of increase in nodule number , weight of nodule nodule and plant top dry weight on cultivars of putong zihua , baoding , ningxia , baifa and aohan , but decrease on milu . however , this mutant has no significant change in ability to nodulate cultivars of huanghou and zahua . hence , noea is involved in cultivar - specific nodulation 與苜蓿中華根瘤菌042bm相比,敲除noea的突變株042bma - km在普通紫花、保定、寧夏、百發和傲漢苜蓿品種上的結瘤數、根瘤鮮重和植株地上部分的干重都有不同程度的增加,而在秘魯苜蓿品種上的結瘤數和植株地上部分的干重明顯下降,在皇后和美國雜花苜蓿品種上則沒有明顯的變化。

In addition , it was also found that this protein shares limited but significant homology with the sam - dependent methyltransferase of mesorhizobium sp . bnc1 ( 32 % similarity ) , and the similarity of its 303 - 362 region to the 160 - 220 domains of l11 methyltransferases of e . coli ( prma ) is 41 % . it is suggested that methylation of l11 resulted in effects of noea on nodulation of 042bm 發現noea與中慢生根瘤菌( mesorhizobiumsp . ) bnc1可能的sam -依賴性的甲基轉移酶相似性為32 ,而其303 - 362區域與大腸桿菌( escherichiacoli )的核糖體50s亞基的l11蛋白甲基轉移酶( prma )的160 - 220結構域的相似性達到41 。

Field germination , nodulation status and physical growth parameters of seedlings ( shoot and root length , vigor index , collar diameter , leaf number , fresh and dry weight of shoot and root and total dry biomass increment ) were recorded after three and six months of seed sowing 播種的3和6月后,記錄幼苗大田發芽、分枝狀況和其他物理生長參數(枝條或根長、活力指數、莖直徑、葉片數、分枝或根鮮重和干重、總的生物量干重增長)等。

A study was carried out to determine the influence of different types of sludges ( municipal , industrial and residential ) on field germination , growth and nodulation of l . leucocephala seedlings in the nursery 摘要研究了不同類型的污泥(城市的、工業的和住宅污泥)對苗圃生長的銀合歡幼苗田間萌發、生長和分枝的影響。

Some blastspores even can expanded , germinated as time went on . the cockroach restrained the blastospores by phagocytosing and nodulation , and many of them melanized 5d postinfection 注射誘導后血淋巴蛋白質最明顯的變化是一些原有蛋白質濃度發生改變,如88k蛋白質顯著增加,而42k蛋白質含量減少等。

Eleven wood legume plants were selected and their morphologic and anatomical characteristics were compared in order to analysis the relationship between the root structure and their nodulation 摘要選取了11種豆科木本植物,比較了它們的根部外部形態和解剖結構特點,分析這些特點與結瘤的關系。

We conclude that the gene we studied is a new loci required for efficient nitrogen fixation and for competitive nodulation of soybeans by bradyrhizobium japonicum strain gx201 我們認為在突變體菌株gx217中tn5gusa5所插入的開放閱讀框架是一個新的與競爭結瘤有關的基因。

Field germination , nodulation status and growth parameters were varied significantly in the soil amended with sludges in comparison to control 與對照幼苗相比,混合污泥的土壤中生長的幼苗田間發芽、分枝狀況及其他生長參數均發生了顯著變化。

Growth and nodulation competitiveness of poly - 3 - hydroxybutyrate metabolism mutants of sinorhizobium meliloti and the effects of exogenous biotin 苜蓿根瘤菌聚羥丁酸代謝突變體的競爭生長和結瘤能力以及外源生物素的影響

Study on nodulation and nitrogen fixation of azospirillum brasilense induced by 2 , 4 - d in the roots of maize 誘導固氮螺菌在玉米根部結瘤及固氮效果的研究