Felix Bast

19 Questions 18 Answers 0 Followers

Questions related from Felix Bast

What makes "% query cover" low in BLAST-N search?

In a number of suspected new species/genus records (mangroves), % query cover is very low,

19 February 2016 6,343 13 View

Can someone suggest a software for statistical shape analysis?

I want to compare shapes of leaves, flowers etc (landmark-based) to a reference shape; for example, how a particular shape is departing from (or how close is) a perfect ellipse etc. Given a set of...

24 September 2015 9,130 7 View

Are these marine invertebrate-a cnidarian?

Please see the photo. From tropical rocky intertidal habitat. Width of the image is around 60 cm

22 January 2015 7,975 16 View

Can you help with designing higher taxa-specific primers using Primer Blast?

I am trying to design a primer pair for rbcL that could specifically amplify bryophytes using primer BLAST, but I'm confused. If I enter sequence/GenBank Accession of one template, for...

11 September 2014 9,174 3 View

Can orthologous sequences be symplesiomorphic?

As I understand, both are "homologous". Is the term "ortholog" used only for referring to a synapomorphic character state?

26 June 2014 7,497 4 View

Is this a kind of sea anemone? If so, could someone help me with its genus?

From Bakkhali, West Bengal, India

29 May 2014 7,076 3 View

Can someone please identify this marine benthic invertebrate (worm?)

From Car Nicobar islands, photographed last week. Retracts upon touching. Polychaete?

23 January 2014 4,867 18 View

From Nicobar islands, what could this pretty translucent soft green algae be?

Valonia?

21 January 2014 7,284 6 View

Can someone identify this marine invertebrate?

it is very delicate, soft and slimy in texture. Observed lots in Nicobar islands in my last visit; Update: Either Galaxaura or Liagora; i.e., order Nemaliales. Which amongst these is very soft,...

21 January 2014 7,265 39 View

Can you take TDS as a proxy for ocean salinity?

My digital salinometer is dysfunctional and I'm planning for a field trip soon. I have a functional TDS meter that shows TDS in PPM with .001 accuracy. I could guess a linear relationship of TDS...

09 January 2014 10,024 18 View

What is the best way to organize collection of scholarly literature (pdf)?

Over the years I have downloaded and kept thousands of pdfs of articles. I am wondering what is the best way of organizing these soft-reprints for the most efficient data retrieval? Neatly...

29 October 2013 8,059 2 View

What is the best way to add scale bars to multiple microphotographs simultaneously (batch-processing)?

I've been using Adobe Illustrator and ImageJ but adding scale bars individually to images is quite a tedious job especially if you have a lot of images. I would like to add a standard scale bar to...

22 October 2013 3,801 7 View

Could someone help me to decide whether these cytogenetic observations indicate any genotoxicity?

Onion root-tips bathed in suspected water for 48 hours, what was observed appeared to be dense abnormal prophase (B) as well as dense metaphase (A), also abnormal.

01 October 2013 9,031 15 View

Naming a new plant species: Is there any consensus on the publishing part?

As per latest IAPT codes http://www.iapt-taxon.org/nomen/main.php, there are no formal list of journals where new species descriptions need to be published to make it official. ICBN also state...

01 October 2013 9,043 16 View

Which is the best software for everyday biostatistic analysis?

Excel is so very basic; SigmaPlot and SPSS ok, but again no support for simple non-parametric plots, for eg. Box and Whisker. Wondering what others are using?

20 September 2013 8,686 20 View

Can I reuse agarose gels prestained with EtBr?

I'm thinking of implementing a policy in my lab, not to reheat prestained (EtBr) agarose gels as it could fumigate EtBr in the whole lab. Could someone advise me of the appropriateness? While EtBr...

20 September 2013 9,808 7 View

How are algae/seaweeds integrated in ancient western culture/literature?

I'm sure there might be a number of ancient European texts mentioning seaweeds; I'm clueless where to begin! any similar works?

11 September 2013 182 2 View

Are there any studies other than this 2009 paper on the sequence conservation of intronic region with life history traits?

Are there any instances where "Two Life history forms (Sexual vs Asexual) of Same Species with same Intronic Sequence (ITS)?

11 September 2013 3,884 0 View

Is there any free software other than BEAST available for time-calibration of phylogenies?

I'm looking for alternatives to BEAST (which I find not so user friendly!), to confirm that what BEAST says is acceptable.

05 September 2013 2,296 29 View