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Murashige and skoog ms media

Manufactured by Duchefa Biochemie
Sourced in Germany

Murashige and Skoog (MS) media is a type of plant cell culture medium developed by Toshio Murashige and Folke Skoog. It provides a balanced formulation of essential nutrients, vitamins, and growth regulators to support the growth and development of plant cells, tissues, and organs in a controlled laboratory environment.

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5 protocols using murashige and skoog ms media

1

Arabidopsis Seed Germination Assay

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(which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission.
Arabidopsis seeds were surface sterilized by consecutive treatments of 5 min 70% (v/v) ethanol with 0.05% (w/v) sodium dodecyl sulfate (SDS) and 5 min 95% (v/v) ethanol. Then seeds were sown on half-strength Murashige and Skoog (½ MS) media (Duchefa Biochemie) containing 1% agar, supplemented with 1 μM (-)-GR24 or with 0.01 % DMSO (control). Seeds were stratified at 4 °C (2 days in dark) then transferred to the growth chamber at 22 °C, under 20-30 µE /m 2 /sec of white light in long day conditions (16 hr light/ 8 hr dark). Seedlings were photographed and hypocotyl lengths were quantified using ImageJ (71) . 2 plates of 10-12 seeds were sown for each genotype x treatment. Using Student t-tests, no statistically significantly different means were detected between plates. The data from the 20-24 seedlings were then used for a one-way ANOVA.
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2

Quantifying Hypocotyl Length in Arabidopsis

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Arabidopsis seeds were surface sterilized by consecutive treatments of 5 min 70% (v/v) ethanol with 0.05% (w/v) sodium dodecyl sulfate (SDS) and 5 min 95% (v/v) ethanol. Then seeds were sown on half-strength Murashige and Skoog (½ MS) media (Duchefa Biochemie) containing 1% agar, supplemented with 1 μM (–)-GR24 or with 0.01 % DMSO (control). Seeds were stratified at 4 °C (2 days in dark) then transferred to the growth chamber at 22 °C, under 20-30 µE /m2/sec of white light in long day conditions (16 hr light/ 8 hr dark). Seedlings were photographed and hypocotyl lengths were quantified using ImageJ77 (link). 2 plates of 10-12 seeds were sown for each genotype x treatment. Using Student t tests, no statistically significantly different means were detected between plates. The data from the 20 to 24 seedlings were then used for a one-way ANOVA.
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3

Seed Surface Sterilization for Tissue Culture

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Surface sterilization was performed by
washing the seeds placed in a cylinder with running tap water for
a minute. Then, they were immersed first in 70% ethyl alcohol (Adwic,
ARE) for 2 min and then in a 5% sodium hypochlorite solution for 5
min with continuous shaking. Finally, the seeds were rinsed with double-distilled
sterile water three times under sterile conditions. Sterilized seeds
were transferred aseptically to half-strength Murashige and Skoog
(MS) media (Duchefa, Germany) (2.2 g/L) supplemented with 30 g/L sucrose
(Adwic, ARE) and 6 g/L agar (Bioworld). They were incubated at 20
°C in a growth cabinet for a 16 h photoperiod. The percentage
of seed germination was calculated after 20 days of cultivation using
the following formula: (number of germinated seeds/total number of
cultured seeds) × 100.54 (link)
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4

Quantitative Analysis of Azoxystrobin

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Analytical grade azoxystrobin (purity 99.4%) and sucrose (≥99.5%) were purchased from Sigma-Aldrich (Copenhagen, Denmark). azoxystrobin free acid ((E)-2-(2-((6-(2-cyanophenoxy)pyrimidin-4-yl)oxy)phenyl)-3-methoxyacrylic acid) (10 ng/µL in Acetonitrile) was procured from Dr. Ehrenstorfer GmbH (Augsburg, Germany). Acetonitrile and methanol (TOF/MS grade) were obtained from Fisher Chemical (Roskilde, Denmark). Milli-Q water was generated from a Milli-Q system (Millipore, MA, USA). Murashige and Skoog (M&S) media was purchased from Duchefa Biochemie (Harlem, The Netherlands).
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5

Drought Stress Response in Transgenic Rice

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Transgenic and NT control plants were germinated on Murashige and Skoog (MS) media (Duchefa, Haarlem, Netherlands) at 28 °C for 4 days, and eighteen seedlings of each transgenic lines and NT were transplanted into soil pots (4 × 4 × 6 cm; four plants per pot) and grown for 4 weeks in a greenhouse (16‐h light/8‐h dark cycle) at 28–30 °C. Each pot had the same size of holes in the bottom, and they were all placed in a single tray to synchronize watering. Drought stress was simultaneously applied to all the rice plants by first adding no water to the soil pots for 5 days and then re‐watering. Drought‐induced symptoms were monitored by imaging transgenic and NT plants at the indicated time points using a NEX‐5N camera (Sony, Tokyo, Japan).
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