Results 81 to 90 of about 27,473 (251)

Maize leaf yellowing gene ZmCAAX modulates growth and drought resistance by regulating abscisic acid contents through interaction with the ABA biosynthetic enzyme ZmNCED3

open access: yesPlant Biotechnology Journal, EarlyView.
Summary In maize (Zea mays L.), leaves are essential for photosynthesis and transpiration and leaf yellowing is regulated by carotenoid metabolism, hormonal signalling and environmental factors. However, the molecular mechanisms linking drought stress and leaf yellowing remain poorly understood.
Xiaohu Li   +13 more
wiley   +1 more source

Elicitation of Hypersensitive Cell Death by Extracellularly Targeted HrpZPsph Produced In Planta

open access: yesMolecular Plant-Microbe Interactions, 2000
The ability of the Pseudomonas syringae pv. phaseolicola harpin (HrpZPsph) to elicit hypersensitive response was investigated in three Nicotiana genotypes. The hrpZPsph gene was placed under chemical regulation (tetracycline induction) in TetR+ Nicotiana
Anastasia P. Tampakaki   +1 more
doaj   +1 more source

Modulating the activity of the APC/C regulator SISAMBA improves the sugar and antioxidant content of tomato fruits

open access: yesPlant Biotechnology Journal, EarlyView.
Summary The Anaphase‐Promoting Complex/Cyclosome (APC/C) is an E3 ubiquitin ligase that plays a crucial role in ubiquitin‐dependent proteolysis of key cell cycle regulators, which is completed by the 26S proteasome. Previously, SAMBA, a plant‐specific regulator of the APC/C, was identified in Arabidopsis as a critical factor controlling organ size ...
Perla Novais de Oliveira   +19 more
wiley   +1 more source

Dataset on nicotine-free, nontransgenic tobacco (Nicotiana tabacum l.) edited by CRISPR-Cas9

open access: yesData in Brief, 2019
This dataset in brief is related to the research letter entitled “Nicotine-free, nontransgenic tobacco (Nicotiana tabacum l.) edited by CRISPR-Cas9” [1].
Julia Schachtsiek, Felix Stehle
doaj  

Reactions of Nicotiana species to inoculation with monopartite and bipartite begomoviruses

open access: yesVirology Journal, 2011
Background Some Nicotiana species are widely used as experimental hosts for plant viruses. Nicotiana species differ in ploidy levels, chromosome numbers and have diverse geographical origins.
Mansoor Shahid   +2 more
doaj   +1 more source

Novel plant cell suspension platforms for saffron apocarotenoid production and its impact on carotenoid and volatile profiles

open access: yesPlant Biotechnology Journal, EarlyView.
Summary Saffron apocarotenoids, including crocins, picrocrocin and safranal, are valuable metabolites with pharmaceutical and cosmetic potential. However, their natural plant sources are difficult to cultivate, which limits large‐scale production. The identification of carotenoid cleavage dioxygenases (CCDs), which catalyse the first and most critical ...
Maria Lobato‐Gómez   +6 more
wiley   +1 more source

Expression of a constitutively active nitrate reductase increases SARS‐CoV‐2 Spike protein production in Nicotiana benthamiana leaves that otherwise show traits of senescence

open access: yesPlant Biotechnology Journal, EarlyView.
Summary The production of coronavirus disease 2019 vaccines can be achieved by transient expression of the Spike (S) protein of Severe Acute Respiratory Syndrome Coronavirus 2 in agroinfiltrated leaves of Nicotiana benthamiana, a process promoted by the co‐expression of viral silencing suppressor P19.
Louis‐Philippe Hamel   +9 more
wiley   +1 more source

First register of Helorus brethesi Oglobin, 1928 (Insecta, Hymenoptera, Heloridae) in Palmeira, PR, Brazil [PDF]

open access: yesBiotemas, 2011
The occurrence of Helorus brethesi Oglobin, 1928 (Hymenoptera: Heloridae) is reported in the town of Palmeira, Parana, Brazil, based on a specimen collected in a conventional tobacco (Nicotiana tabacum L.) field with a Malaise trap.
Cecília Dorfey   +2 more
doaj  

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