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Questions related from Gaber M Abogadallah
Use of auxotrophic mutants lines for transformation of fungi is a traditional practise but it does not enable future discrimination between the wild type and transgenic line. Could basta gene...
08 February 2024 8,043 2 View
I understand I am being greedy, but I am looking for a strain of Pichia along with its expression vector. In fact this stuff is too expensive and I cannot afford it. I will use to express a...
10 October 2022 6,410 0 View
To breed rice for drought tolerance, is it feasible to start selection in the F2 by picking out offspring harbouring certain molecular markers, given that it is expected that these QTLs will...
05 October 2022 1,057 3 View
Is it right to suppose that growing inbred cultivars of rice over years and without tight control on the seed fields allows weedy rice genotypes to evolve -by out-crossing and/or mutation- and be...
11 March 2021 7,810 3 View
Acids such as nitric or phosphoric are used to lower soil pH. Could citric acid be used for the same purpose? Nitric or phosphoric will change the nutrient balance in the soil by increasing N or P...
07 June 2018 2,262 4 View
I am thinking of buying an HPLC system. Could I have your suggestions on: 1- Which is better, an integrated or customized system? 2- which specifications of the pump, columns will give broad...
19 October 2016 1,240 7 View
Is the relationship between the leaf relative water content and water potential linear over the range found in a living leaf? Will the leaf water potential continue decreasing as the RWC decreae...
18 November 2015 7,565 3 View
We are screening Arabidopsis seeds transformed with bar gene as a selectable marker. Can we use glyphosate instead of glufosinate for selection? Can the bar gene mediate the degradation of both...
29 August 2015 3,603 5 View
Traditional maize (zea mays) has evolved from teosinte (Zea Mexicana). Maize grains can synthesize and store lipids. Can teosinte grains do so?
08 March 2015 7,697 4 View
Does any colleague have pTOK233 or pSB134 and want to share?
22 February 2015 5,425 1 View
C4 photosynthesis exists in grasses, herbs and bushes but not in trees. We know that C4 photosynthesis has evolved several times, over the history of plants on earth, from C3 photosynthesis. But...
17 December 2014 9,507 9 View
When rice is grown in anaerobic soil, it develops barrier to radial oxygen from root to soil. This barrier is mainly suberin in the outer layers of root. Is it logical that this barrier does not...
09 September 2014 8,842 5 View
Date palm micropropagation
13 April 2014 7,665 0 View
Hydraulic conductance
15 February 2014 8,435 19 View
The enzyme trypsin is a serine protease. It uses serine residue at the active site to hydrolyze peptide bonds in the target protein. Chymosin of the cattle is an aspartic protease. It also uses...
01 January 1970 5,654 2 View
