Heat stress - Revision history

Macampbell at 19:48, 28 February 2013

2013-02-28T19:48:14Z

Macampbell at 19:47, 19 February 2013

2013-02-19T19:47:14Z

Macampbell at 19:44, 19 February 2013

2013-02-19T19:44:21Z

Macampbell at 20:01, 14 February 2013

2013-02-14T20:01:40Z

Macampbell at 20:00, 14 February 2013

2013-02-14T20:00:15Z

Macampbell at 19:52, 14 February 2013

2013-02-14T19:52:11Z

Macampbell at 19:49, 14 February 2013

2013-02-14T19:49:08Z

Macampbell at 19:46, 14 February 2013

2013-02-14T19:46:06Z

Macampbell at 19:35, 14 February 2013

2013-02-14T19:35:19Z

Macampbell at 19:23, 14 February 2013

2013-02-14T19:23:21Z

← Older revision		Revision as of 19:48, 28 February 2013
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	'''Heat Stress Tolerance''' - by A. Malcolm Campbell (Spring Semester, 2013)		'''Heat Stress Tolerance''' - by A. Malcolm Campbell (Spring Semester, 2013)
		+
		+	Open questions:
		+	I have a list of 65 genes. Do you see any that are missing for heat stress?
		+	CNGC2, CNGC4, UPR, NCED4, HSFB1, HSCB2, HSFA1, HSFA2, ABA1, ABA2, ABA3, ADE1, ABI1, ABI2, ABI3, NPR1, UVH6, UVH3, UVH1, AXR1, TSL4, MS1, HOT1, ETR1, EIN2, ETO1, ETO2, ETO3, RBOHA, RBOHB, RBOHC, RBOHD, RBOHE, RBOHF, RBOHG, RBOHH, FAD2, FAD3, FAD4, FAD5, FAD6, FAD7, VTC1, VTC2, NPQ1, CAD2, CAT1, ACD2, UBP1, UBP2, PLD, PIPK, CAM3, MBF1, WRKY, DREB, CDPK, IRE1, BZIP17BZIP28, BZIP60, H2A.Z, UTR3, BIP1, BIP2. <br>

	There are four types of heat tolerance ([http://www.swarthmore.edu/NatSci/nkaplin1/yeh_2012.pdf Yeh ''et al.'', 2012])		There are four types of heat tolerance ([http://www.swarthmore.edu/NatSci/nkaplin1/yeh_2012.pdf Yeh ''et al.'', 2012])

@@ Line 10: / Line 10: @@
 See [http://www.plantcell.org/content/24/8/3333.long Finka et al., 2012]<br>
 Heat is sensed by at least four sensors:
-calcium channel
+# calcium channel in PM
+# histone sensor in the nucleus
-<br>
+# unfolded protein sensor in the endoplasmic reticulum
 See [http://www.ncbi.nlm.nih.gov/pubmed/22236506 Mittler et al., 2012]<br>
+<br><br>
 The lettuce gene [http://www.ncbi.nlm.nih.gov/nuccore/JN788929.1 '''NCED4'''] is responsible for germination of seeds at high temperatures. <br>
 See [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3015190/ Argyris et al., 2010].<br>

← Older revision		Revision as of 19:44, 19 February 2013
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	The temperature sensor in plants, and animals, is encoded by a cyclic nucleotide-gated calcium channel ([http://www.ncbi.nlm.nih.gov/nuccore/Y16328.1 '''CNGC2'''] and [http://www.ncbi.nlm.nih.gov/nuccore/NM_001203607.1 '''CNGC4'''] in ''Arabidopsis'') gene. This is a critical player in heat-stress response. <br>		The temperature sensor in plants, and animals, is encoded by a cyclic nucleotide-gated calcium channel ([http://www.ncbi.nlm.nih.gov/nuccore/Y16328.1 '''CNGC2'''] and [http://www.ncbi.nlm.nih.gov/nuccore/NM_001203607.1 '''CNGC4'''] in ''Arabidopsis'') gene. This is a critical player in heat-stress response. <br>
	See [http://www.plantcell.org/content/24/8/3333.long Finka et al., 2012]<br>		See [http://www.plantcell.org/content/24/8/3333.long Finka et al., 2012]<br>
		+	Heat is sensed by at least four sensors:
		+	calcium channel
		+
		+	<br>
		+	See [http://www.ncbi.nlm.nih.gov/pubmed/22236506 Mittler et al., 2012]<br>

@@ Line 14: / Line 14: @@
 See [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3015190/ Argyris et al., 2010].<br>
 <br>
 Heat Shock Transcription Factors (HsFs) are subdivided into three classes called A, B and C. ([http://www.biomedcentral.com/content/pdf/1471-2164-12-76.pdf Lin et al., 2011])<br>
@@ Line 25: / Line 29: @@
-In ''Arabidopsis'', ABSCISIC ACID–INSENSITIVE3 (ABI3) is a transcription factor induced in seeds that induces the transcription of seed-specific HsFs ([http://www.plantcell.org/content/19/1/182.full.pdf Kotak et al., 2007]). I should look for the blueberry ortholog.
+In ''Arabidopsis'', ABSCISIC ACID–INSENSITIVE3 (ABI3) is a transcription factor induced in seeds that induces the transcription of seed-specific HsFs ([http://www.plantcell.org/content/19/1/182.full.pdf Kotak et al., 2007]). I should look for the blueberry ortholog.<br><br>
 In [http://nar.oxfordjournals.org/content/40/17/8240.full.pdf Monke et al., 2012], they found transcription factors (LEC1, PIL5 and AGL15) that turn on the production of ABI3.  You can see what activates ABI3 and what ABI3 activates in the figure below (Monke et al., 2012).<br>

← Older revision		Revision as of 20:00, 14 February 2013
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	In ''Arabidopsis'', ABSCISIC ACID–INSENSITIVE3 (ABI3) is a transcription factor induced in seeds that induces the transcription of seed-specific HsFs ([http://www.plantcell.org/content/19/1/182.full.pdf Kotak et al., 2007]). I should look for the blueberry ortholog.		In ''Arabidopsis'', ABSCISIC ACID–INSENSITIVE3 (ABI3) is a transcription factor induced in seeds that induces the transcription of seed-specific HsFs ([http://www.plantcell.org/content/19/1/182.full.pdf Kotak et al., 2007]). I should look for the blueberry ortholog.
		+
		+	The heat shock (HS) process is induced in stages.
		+	[[File:HS_Response.png]]
		+	See [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3252156/ Ikeda et al., 2011]

	In [http://nar.oxfordjournals.org/content/40/17/8240.full.pdf Monke et al., 2012], they found transcription factors (LEC1, PIL5 and AGL15) that turn on the production of ABI3. You can see what activates ABI3 and what ABI3 activates in the figure below (Monke et al., 2012).<br>		In [http://nar.oxfordjournals.org/content/40/17/8240.full.pdf Monke et al., 2012], they found transcription factors (LEC1, PIL5 and AGL15) that turn on the production of ABI3. You can see what activates ABI3 and what ABI3 activates in the figure below (Monke et al., 2012).<br>

@@ Line 2: / Line 2: @@
 There are four types of heat tolerance ([http://www.swarthmore.edu/NatSci/nkaplin1/yeh_2012.pdf Yeh ''et al.'', 2012])
-# basal thermotolerance
+# basal thermotolerance (''i.e.'', tolerance of HS without prior heat acclimation)
 # short-term acquired thermotolerance
 # long-term acquired thermotolerance

@@ Line 7: / Line 7: @@
 # thermotolerance to moderately high temperature
-The temperature sensor in plants, and animals, is encoded by a cyclic nucleotide-gated calcium channel ('''CNGC2''' and '''CNGC2''' in ''Arabidopsis'') gene. This is a critical player in heat-stress response. <br>
+The temperature sensor in plants, and animals, is encoded by a cyclic nucleotide-gated calcium channel ([http://www.ncbi.nlm.nih.gov/nuccore/Y16328.1 '''CNGC2'''] and [http://www.ncbi.nlm.nih.gov/nuccore/NM_001203607.1 '''CNGC4'''] in ''Arabidopsis'') gene. This is a critical player in heat-stress response. <br>
 See [http://www.plantcell.org/content/24/8/3333.long Finka et al., 2012]<br>

← Older revision		Revision as of 19:35, 14 February 2013
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	The temperature sensor in plants, and animals, is encoded by a cyclic nucleotide-gated calcium channel ('''CNGC2''' and '''CNGC2''' in ''Arabidopsis'') gene. This is a critical player in heat-stress response. <br>		The temperature sensor in plants, and animals, is encoded by a cyclic nucleotide-gated calcium channel ('''CNGC2''' and '''CNGC2''' in ''Arabidopsis'') gene. This is a critical player in heat-stress response. <br>
		+	See [http://www.plantcell.org/content/24/8/3333.long Finka et al., 2012]<br>

	Heat Shock Transcription Factors (HsFs) are subdivided into three classes called A, B and C. ([http://www.biomedcentral.com/content/pdf/1471-2164-12-76.pdf Lin et al., 2011])<br>		Heat Shock Transcription Factors (HsFs) are subdivided into three classes called A, B and C. ([http://www.biomedcentral.com/content/pdf/1471-2164-12-76.pdf Lin et al., 2011])<br>

← Older revision		Revision as of 19:23, 14 February 2013
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	# thermotolerance to moderately high temperature		# thermotolerance to moderately high temperature

		+	The temperature sensor in plants, and animals, is encoded by a cyclic nucleotide-gated calcium channel ('''CNGC2''' and '''CNGC2''' in ''Arabidopsis'') gene. This is a critical player in heat-stress response. <br>

	Heat Shock Transcription Factors (HsFs) are subdivided into three classes called A, B and C. ([http://www.biomedcentral.com/content/pdf/1471-2164-12-76.pdf Lin et al., 2011])<br>		Heat Shock Transcription Factors (HsFs) are subdivided into three classes called A, B and C. ([http://www.biomedcentral.com/content/pdf/1471-2164-12-76.pdf Lin et al., 2011])<br>