نتایج جستجو برای: medicago polymorpha
تعداد نتایج: 6107 فیلتر نتایج به سال:
We aim to introduce the penicillin biosynthetic pathway into the methylotrophic yeast Hansenula polymorpha. To allow simultaneous expression of the multiple genes of the penicillin biosynthetic pathway, additional markers were required. To this end, we constructed a novel host-vector system based on methionine auxotrophy and the H. polymorpha MET6 gene, which encodes a putative cystathionine be...
Within a single site in the Kohala Forest Reserve, Hawai`i, we examined the composition and diversity of soil microbial communities under four introduced (Cryptomeria japonica, Casuarina equisetifolia, Araucaria columnaris, and Eucalyptus sp.) and one native (Metrosideros polymorpha) canopy tree species, as well as pasture. Terminal restriction fragment length polymorphism (T-RFLP) analysis of ...
We previously reported Agrobacterium-mediated transformation methods for the liverwort Marchantia polymorpha using the hygromycin phosphotransferase gene as a marker for selection with hygromycin. In this study, we developed three additional markers for M. polymorpha transformation: the gentamicin 3'-acetyltransferase gene for selection with gentamicin; a mutated acetolactate synthase gene for ...
Winter cover crops are used in organic olive production to increase N-supply and yields, reduce weed competition. However, there is limited information on the effect of different suppression, soil fertility productivity orchards. Here, we compared relative four contrasting established from (i) untreated vetch seed, (ii) seed inoculated with a commercial Rhizobium inoculum, (iii) an vetch/barley...
PER genes are essential for the biogenesis of peroxisomes in the yeast Hansenula polymorpha. Here we describe the functional complementation of a H. polymorpha per9 disruption strain (delta per9) by a heterologous gene. The Saccharomyces cerevisiae Pas3p, a homologue of per9p, restored peroxisome biogenesis and peroxisomal protein import in the delta per9 mutant, allowing it to grow again on me...
Although considerable research has been carried out on Dreissena spp., relatively little is known about the symbiotic organisms living within them. We report a two-year study of the dynamics of infection by the commensal ciliate Conchophthirus acuminatus in D. polymorpha and D. bugensis populations in the Dnieper River in the Ukraine and in four D. polymorpha populations in Belarus. C. acuminat...
Further investigations on the morphology, biochemical reactions, and serological relationships of strains of Mima polymorpha and Achromobacter (Bacterium) anitratum are reported. The results seem to indicate such a close relationship that it may yet be necessary to reconsider the nomenclature of these organisms.
Stereospecific olefin (C=C) and carbonyl (C=O) reduction of the readily available prochiral compound ketoisophorone (2,2,6-trimethyl-2-cyclohexene-1,4-dione) (1) by Marchantia polymorpha and Nicotiana tabacum cell suspension cultures produce the chiral products (6R)-levodione (2), (4R,5S)-4-hydroxy-3,3,5-trimethylcyclohexanone (3), and (4R,6R)-actinol (4) as well as the minor components (4R)-hy...
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